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gecko/gfx/cairo/pixman-neon.patch
Vladimir Vukicevic e9ed6adcad b=482676; add pixman NEON optimizations; r=jeff
2009-04-07 12:12:31 -07:00

1854 lines
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b=482676; add pixman NEON optimizations; r=jeff
diff --git a/config/autoconf.mk.in b/config/autoconf.mk.in
--- a/config/autoconf.mk.in
+++ b/config/autoconf.mk.in
@@ -655,4 +655,5 @@ MOZ_EMBEDDING_LEVEL_BASIC = @MOZ_EMBEDDI
MOZ_EMBEDDING_LEVEL_BASIC = @MOZ_EMBEDDING_LEVEL_BASIC@
MOZ_EMBEDDING_LEVEL_MINIMAL = @MOZ_EMBEDDING_LEVEL_MINIMAL@
-HAVE_ARM_SIMD= @HAVE_ARM_SIMD@
+HAVE_ARM_SIMD = @HAVE_ARM_SIMD@
+HAVE_ARM_NEON = @HAVE_ARM_NEON@
diff --git a/configure.in b/configure.in
--- a/configure.in
+++ b/configure.in
@@ -3259,7 +3259,7 @@ AC_SUBST(XEXT_LIBS)
AC_SUBST(XEXT_LIBS)
AC_SUBST(XT_LIBS)
-AC_MSG_CHECKING(for ARM SIMD support)
+AC_MSG_CHECKING(for ARM SIMD support in compiler)
AC_TRY_COMPILE([],
[asm("uqadd8 r1, r1, r2");],
result="yes", result="no")
@@ -3269,6 +3269,23 @@ if test "$result" = "yes"; then
HAVE_ARM_SIMD=1
fi
AC_SUBST(HAVE_ARM_SIMD)
+
+AC_MSG_CHECKING(for ARM NEON support in compiler)
+_SAVE_CFLAGS="$CFLAGS"
+if test "$GNU_CC"; then
+ # gcc needs -mfpu=neon to recognize NEON instructions
+ CFLAGS="$CFLAGS -mfpu=neon"
+fi
+AC_TRY_COMPILE([],
+ [asm("vadd.i8 d0, d0, d0");],
+ result="yes", result="no")
+AC_MSG_RESULT("$result")
+if test "$result" = "yes"; then
+ AC_DEFINE(HAVE_ARM_NEON)
+ HAVE_ARM_NEON=1
+fi
+CFLAGS="$_SAVE_CFLAGS"
+AC_SUBST(HAVE_ARM_NEON)
dnl ========================================================
dnl = pthread support
diff --git a/gfx/cairo/libpixman/src/Makefile.in b/gfx/cairo/libpixman/src/Makefile.in
--- a/gfx/cairo/libpixman/src/Makefile.in
+++ b/gfx/cairo/libpixman/src/Makefile.in
@@ -90,7 +90,10 @@ endif
endif
ifeq (arm,$(findstring arm,$(OS_TEST)))
ifdef HAVE_ARM_SIMD
-USE_ARM_SIMD=1
+USE_ARM_SIMD_GCC=1
+endif
+ifdef HAVE_ARM_NEON
+USE_ARM_NEON_GCC=1
endif
endif
@@ -133,9 +136,15 @@ DEFINES += -DUSE_VMX
DEFINES += -DUSE_VMX
endif
-ifdef USE_ARM_SIMD
+ifdef USE_ARM_SIMD_GCC
CSRCS += pixman-arm-simd.c
DEFINES += -DUSE_ARM_SIMD
+endif
+
+ifdef USE_ARM_NEON_GCC
+CSRCS += pixman-arm-neon.c
+DEFINES += -DUSE_ARM_NEON
+ARM_NEON_CFLAGS = -mfloat-abi=softfp -mfpu=neon
endif
ifdef USE_ARM_SIMD_MSVC
@@ -156,6 +165,7 @@ include $(topsrcdir)/config/rules.mk
CFLAGS += -DPACKAGE="mozpixman" -D_USE_MATH_DEFINES
+
# special rule for pixman-mmx to get the right cflags
pixman-mmx.$(OBJ_SUFFIX): pixman-mmx.c Makefile Makefile.in
$(REPORT_BUILD)
@@ -166,3 +176,8 @@ pixman-sse2.$(OBJ_SUFFIX): pixman-sse2.c
$(REPORT_BUILD)
@$(MAKE_DEPS_AUTO_CC)
$(ELOG) $(CC) $(OUTOPTION)$@ -c $(COMPILE_CFLAGS) $(MMX_CFLAGS) $(_VPATH_SRCS)
+
+pixman-arm-neon.$(OBJ_SUFFIX): pixman-arm-neon.c Makefile Makefile.in
+ $(REPORT_BUILD)
+ @$(MAKE_DEPS_AUTO_CC)
+ $(ELOG) $(CC) $(OUTOPTION)$@ -c $(COMPILE_CFLAGS) $(ARM_NEON_CFLAGS) $(_VPATH_SRCS)
diff --git a/gfx/cairo/libpixman/src/pixman-arm-detect-win32.asm b/gfx/cairo/libpixman/src/pixman-arm-detect-win32.asm
--- a/gfx/cairo/libpixman/src/pixman-arm-detect-win32.asm
+++ b/gfx/cairo/libpixman/src/pixman-arm-detect-win32.asm
@@ -20,10 +20,22 @@ FuncEndName SETS VBar:CC:"$Name":CC:"
$PrologName
MEND
- export pixman_msvc_try_armv6_op
+ export pixman_msvc_try_arm_simd_op
- FUNC_HEADER pixman_msvc_try_armv6_op
- uqadd8 r0,r0,r1
+ FUNC_HEADER pixman_msvc_try_arm_simd_op
+ ;; I don't think the msvc arm asm knows how to do SIMD insns
+ ;; uqadd8 r3,r3,r3
+ DCD 0xe6633f93
+ mov pc,lr
+ ENTRY_END
+ endp
+
+ export pixman_msvc_try_arm_neon_op
+
+ FUNC_HEADER pixman_msvc_try_arm_neon_op
+ ;; I don't think the msvc arm asm knows how to do NEON insns
+ ;; veor d0,d0,d0
+ DCD 0xf3000110
mov pc,lr
ENTRY_END
endp
diff --git a/gfx/cairo/libpixman/src/pixman-arm-neon.c b/gfx/cairo/libpixman/src/pixman-arm-neon.c
new file mode 100644
--- /dev/null
+++ b/gfx/cairo/libpixman/src/pixman-arm-neon.c
@@ -0,0 +1,1387 @@
+/*
+ * Copyright © 2009 Mozilla Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Mozilla Corporation not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Mozilla Corporation makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Ian Rickards (ian.rickards@arm.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pixman-arm-neon.h"
+
+#include <arm_neon.h>
+
+
+#if !defined(__ARMCC_VERSION) && !defined(FORCE_NO_NEON_INLINE_ASM)
+// [both armcc & gcc set __GNUC__]
+// Use GNU style inline asm on gcc, for best performance
+// Use intrinsics on armcc
+// This switch determines if any GNU style inline asm is allowed
+#define USE_NEON_INLINE_ASM
+#endif
+
+
+static force_inline uint8x8x4_t unpack0565(uint16x8_t rgb)
+{
+ uint16x8_t gb, b;
+ uint8x8x4_t res;
+
+ res.val[3] = vdup_n_u8(0);
+ gb = vshrq_n_u16(rgb, 5);
+ b = vshrq_n_u16(rgb, 5+6);
+ res.val[0] = vmovn_u16(rgb); // get low 5 bits
+ res.val[1] = vmovn_u16(gb); // get mid 6 bits
+ res.val[2] = vmovn_u16(b); // get top 5 bits
+
+ res.val[0] = vshl_n_u8(res.val[0], 3); // shift to top
+ res.val[1] = vshl_n_u8(res.val[1], 2); // shift to top
+ res.val[2] = vshl_n_u8(res.val[2], 3); // shift to top
+
+ res.val[0] = vsri_n_u8(res.val[0], res.val[0], 5);
+ res.val[1] = vsri_n_u8(res.val[1], res.val[1], 6);
+ res.val[2] = vsri_n_u8(res.val[2], res.val[2], 5);
+
+ return res;
+}
+
+static force_inline uint16x8_t pack0565(uint8x8x4_t s)
+{
+ uint16x8_t rgb, val_g, val_r;
+
+ rgb = vshll_n_u8(s.val[2],8);
+ val_g = vshll_n_u8(s.val[1],8);
+ val_r = vshll_n_u8(s.val[0],8);
+ rgb = vsriq_n_u16(rgb, val_g, 5);
+ rgb = vsriq_n_u16(rgb, val_r, 5+6);
+
+ return rgb;
+}
+
+static force_inline uint8x8_t neon2mul(uint8x8_t x, uint8x8_t alpha)
+{
+ uint16x8_t tmp,tmp2;
+ uint8x8_t res;
+
+ tmp = vmull_u8(x,alpha);
+ tmp2 = vrshrq_n_u16(tmp,8);
+ res = vraddhn_u16(tmp,tmp2);
+
+ return res;
+}
+
+static force_inline uint8x8x4_t neon8mul(uint8x8x4_t x, uint8x8_t alpha)
+{
+ uint16x8x4_t tmp;
+ uint8x8x4_t res;
+ uint16x8_t qtmp1,qtmp2;
+
+ tmp.val[0] = vmull_u8(x.val[0],alpha);
+ tmp.val[1] = vmull_u8(x.val[1],alpha);
+ tmp.val[2] = vmull_u8(x.val[2],alpha);
+ tmp.val[3] = vmull_u8(x.val[3],alpha);
+
+ qtmp1 = vrshrq_n_u16(tmp.val[0],8);
+ qtmp2 = vrshrq_n_u16(tmp.val[1],8);
+ res.val[0] = vraddhn_u16(tmp.val[0],qtmp1);
+ qtmp1 = vrshrq_n_u16(tmp.val[2],8);
+ res.val[1] = vraddhn_u16(tmp.val[1],qtmp2);
+ qtmp2 = vrshrq_n_u16(tmp.val[3],8);
+ res.val[2] = vraddhn_u16(tmp.val[2],qtmp1);
+ res.val[3] = vraddhn_u16(tmp.val[3],qtmp2);
+
+ return res;
+}
+
+static force_inline uint8x8x4_t neon8qadd(uint8x8x4_t x, uint8x8x4_t y)
+{
+ uint8x8x4_t res;
+
+ res.val[0] = vqadd_u8(x.val[0],y.val[0]);
+ res.val[1] = vqadd_u8(x.val[1],y.val[1]);
+ res.val[2] = vqadd_u8(x.val[2],y.val[2]);
+ res.val[3] = vqadd_u8(x.val[3],y.val[3]);
+
+ return res;
+}
+
+
+void
+fbCompositeSrcAdd_8000x8000neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint8_t *dstLine, *dst;
+ uint8_t *srcLine, *src;
+ int dstStride, srcStride;
+ uint16_t w;
+
+ fbComposeGetStart (pSrc, xSrc, ySrc, uint8_t, srcStride, srcLine, 1);
+ fbComposeGetStart (pDst, xDst, yDst, uint8_t, dstStride, dstLine, 1);
+
+ if (width>=8)
+ {
+ // Use overlapping 8-pixel method
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ uint8_t *keep_dst;
+
+#ifndef USE_NEON_INLINE_ASM
+ uint8x8_t sval,dval,temp;
+
+ sval = vld1_u8((void*)src);
+ dval = vld1_u8((void*)dst);
+ keep_dst = dst;
+
+ temp = vqadd_u8(dval,sval);
+
+ src += (w & 7);
+ dst += (w & 7);
+ w -= (w & 7);
+
+ while (w)
+ {
+ sval = vld1_u8((void*)src);
+ dval = vld1_u8((void*)dst);
+
+ vst1_u8((void*)keep_dst,temp);
+ keep_dst = dst;
+
+ temp = vqadd_u8(dval,sval);
+
+ src+=8;
+ dst+=8;
+ w-=8;
+ }
+ vst1_u8((void*)keep_dst,temp);
+#else
+ asm volatile (
+// avoid using d8-d15 (q4-q7) aapcs callee-save registers
+ "vld1.8 {d0}, [%[src]]\n\t"
+ "vld1.8 {d4}, [%[dst]]\n\t"
+ "mov %[keep_dst], %[dst]\n\t"
+
+ "and ip, %[w], #7\n\t"
+ "add %[src], %[src], ip\n\t"
+ "add %[dst], %[dst], ip\n\t"
+ "subs %[w], %[w], ip\n\t"
+ "b 9f\n\t"
+// LOOP
+ "2:\n\t"
+ "vld1.8 {d0}, [%[src]]!\n\t"
+ "vld1.8 {d4}, [%[dst]]!\n\t"
+ "vst1.8 {d20}, [%[keep_dst]]\n\t"
+ "sub %[keep_dst], %[dst], #8\n\t"
+ "subs %[w], %[w], #8\n\t"
+ "9:\n\t"
+ "vqadd.u8 d20, d0, d4\n\t"
+
+ "bne 2b\n\t"
+
+ "1:\n\t"
+ "vst1.8 {d20}, [%[keep_dst]]\n\t"
+
+ : [w] "+r" (w), [src] "+r" (src), [dst] "+r" (dst), [keep_dst] "+r" (keep_dst)
+ :
+ : "ip", "cc", "memory", "d0","d4",
+ "d20"
+ );
+#endif
+ }
+ }
+ else
+ {
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+ uint8x8_t sval, dval;
+ uint8_t *dst4, *dst2;
+
+ if (w&4)
+ {
+ sval = vreinterpret_u8_u32(vld1_lane_u32((void*)src,vreinterpret_u32_u8(sval),1));
+ dval = vreinterpret_u8_u32(vld1_lane_u32((void*)dst,vreinterpret_u32_u8(dval),1));
+ dst4=dst;
+ src+=4;
+ dst+=4;
+ }
+ if (w&2)
+ {
+ sval = vreinterpret_u8_u16(vld1_lane_u16((void*)src,vreinterpret_u16_u8(sval),1));
+ dval = vreinterpret_u8_u16(vld1_lane_u16((void*)dst,vreinterpret_u16_u8(dval),1));
+ dst2=dst;
+ src+=2;
+ dst+=2;
+ }
+ if (w&1)
+ {
+ sval = vld1_lane_u8((void*)src,sval,1);
+ dval = vld1_lane_u8((void*)dst,dval,1);
+ }
+
+ dval = vqadd_u8(dval,sval);
+
+ if (w&1)
+ vst1_lane_u8((void*)dst,dval,1);
+ if (w&2)
+ vst1_lane_u16((void*)dst2,vreinterpret_u16_u8(dval),1);
+ if (w&4)
+ vst1_lane_u32((void*)dst4,vreinterpret_u32_u8(dval),1);
+ }
+ }
+}
+
+
+void
+fbCompositeSrc_8888x8888neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint32_t *dstLine, *dst;
+ uint32_t *srcLine, *src;
+ int dstStride, srcStride;
+ uint32_t w;
+
+ fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
+ fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
+
+ if (width>=8)
+ {
+ // Use overlapping 8-pixel method
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ uint32_t *keep_dst;
+
+#ifndef USE_NEON_INLINE_ASM
+ uint8x8x4_t sval,dval,temp;
+
+ sval = vld4_u8((void*)src);
+ dval = vld4_u8((void*)dst);
+ keep_dst = dst;
+
+ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
+ temp = neon8qadd(sval,temp);
+
+ src += (w & 7);
+ dst += (w & 7);
+ w -= (w & 7);
+
+ while (w)
+ {
+ sval = vld4_u8((void*)src);
+ dval = vld4_u8((void*)dst);
+
+ vst4_u8((void*)keep_dst,temp);
+ keep_dst = dst;
+
+ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
+ temp = neon8qadd(sval,temp);
+
+ src+=8;
+ dst+=8;
+ w-=8;
+ }
+ vst4_u8((void*)keep_dst,temp);
+#else
+ asm volatile (
+// avoid using d8-d15 (q4-q7) aapcs callee-save registers
+ "vld4.8 {d0-d3}, [%[src]]\n\t"
+ "vld4.8 {d4-d7}, [%[dst]]\n\t"
+ "mov %[keep_dst], %[dst]\n\t"
+
+ "and ip, %[w], #7\n\t"
+ "add %[src], %[src], ip, LSL#2\n\t"
+ "add %[dst], %[dst], ip, LSL#2\n\t"
+ "subs %[w], %[w], ip\n\t"
+ "b 9f\n\t"
+// LOOP
+ "2:\n\t"
+ "vld4.8 {d0-d3}, [%[src]]!\n\t"
+ "vld4.8 {d4-d7}, [%[dst]]!\n\t"
+ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
+ "sub %[keep_dst], %[dst], #8*4\n\t"
+ "subs %[w], %[w], #8\n\t"
+ "9:\n\t"
+ "vmvn.8 d31, d3\n\t"
+ "vmull.u8 q10, d31, d4\n\t"
+ "vmull.u8 q11, d31, d5\n\t"
+ "vmull.u8 q12, d31, d6\n\t"
+ "vmull.u8 q13, d31, d7\n\t"
+ "vrshr.u16 q8, q10, #8\n\t"
+ "vrshr.u16 q9, q11, #8\n\t"
+ "vraddhn.u16 d20, q10, q8\n\t"
+ "vraddhn.u16 d21, q11, q9\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vraddhn.u16 d22, q12, q8\n\t"
+ "vraddhn.u16 d23, q13, q9\n\t"
+// result in d20-d23
+ "vqadd.u8 d20, d0, d20\n\t"
+ "vqadd.u8 d21, d1, d21\n\t"
+ "vqadd.u8 d22, d2, d22\n\t"
+ "vqadd.u8 d23, d3, d23\n\t"
+
+ "bne 2b\n\t"
+
+ "1:\n\t"
+ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
+
+ : [w] "+r" (w), [src] "+r" (src), [dst] "+r" (dst), [keep_dst] "+r" (keep_dst)
+ :
+ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
+ "d16","d17","d18","d19","d20","d21","d22","d23"
+ );
+#endif
+ }
+ }
+ else
+ {
+ uint8x8_t alpha_selector=vreinterpret_u8_u64(vcreate_u64(0x0707070703030303ULL));
+
+ // Handle width<8
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ while (w>=2)
+ {
+ uint8x8_t sval,dval;
+
+ /* two 32-bit pixels packed into D-reg; ad-hoc vectorization */
+ sval = vreinterpret_u8_u32(vld1_u32((void*)src));
+ dval = vreinterpret_u8_u32(vld1_u32((void*)dst));
+ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval),alpha_selector));
+ vst1_u8((void*)dst,vqadd_u8(sval,dval));
+
+ src+=2;
+ dst+=2;
+ w-=2;
+ }
+
+ if (w)
+ {
+ uint8x8_t sval,dval;
+
+ /* single 32-bit pixel in lane 0 */
+ sval = vreinterpret_u8_u32(vld1_dup_u32((void*)src)); // only interested in lane 0
+ dval = vreinterpret_u8_u32(vld1_dup_u32((void*)dst)); // only interested in lane 0
+ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval),alpha_selector));
+ vst1_lane_u32((void*)dst,vreinterpret_u32_u8(vqadd_u8(sval,dval)),0);
+ }
+ }
+ }
+}
+
+
+
+void
+fbCompositeSrc_x888x0565neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint16_t *dstLine, *dst;
+ uint32_t *srcLine, *src;
+ int dstStride, srcStride;
+ uint32_t w;
+
+ fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
+ fbComposeGetStart (pDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
+
+ if (width>=8)
+ {
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ do {
+ while (w>=8)
+ {
+#ifndef USE_NEON_INLINE_ASM
+ vst1q_u16(dst, pack0565(vld4_u8((void*)src)));
+#else
+ asm volatile (
+ "vld4.8 {d4-d7}, [%[src]]\n\t"
+ "vshll.u8 q0, d6, #8\n\t"
+ "vshll.u8 q1, d5, #8\n\t"
+ "vsriq.u16 q0, q1, #5\t\n"
+ "vshll.u8 q1, d4, #8\n\t"
+ "vsriq.u16 q0, q1, #11\t\n"
+ "vst1.16 {q0}, [%[dst]]\n\t"
+ :
+ : [dst] "r" (dst), [src] "r" (src)
+ : "memory", "d0","d1","d2","d3","d4","d5","d6","d7"
+ );
+#endif
+ src+=8;
+ dst+=8;
+ w-=8;
+ }
+ if (w != 0)
+ {
+ src -= (8-w);
+ dst -= (8-w);
+ w = 8; // do another vector
+ }
+ } while (w!=0);
+ }
+ }
+ else
+ {
+ // Handle width<8
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ while (w>=2)
+ {
+ uint32x2_t sval, rgb, g, b;
+ sval = vld1_u32(src);
+ rgb = vshr_n_u32(sval,8-5); // r (5 bits)
+ g = vshr_n_u32(sval,8+8-6); // g to bottom byte
+ rgb = vsli_n_u32(rgb, g, 5);
+ b = vshr_n_u32(sval,8+8+8-5); // b to bottom byte
+ rgb = vsli_n_u32(rgb, b, 11);
+ vst1_lane_u16(dst++,vreinterpret_u16_u32(rgb),0);
+ vst1_lane_u16(dst++,vreinterpret_u16_u32(rgb),2);
+ src+=2;
+ w-=2;
+ }
+ if (w)
+ {
+ uint32x2_t sval, rgb, g, b;
+ sval = vld1_dup_u32(src);
+ rgb = vshr_n_u32(sval,8-5); // r (5 bits)
+ g = vshr_n_u32(sval,8+8-6); // g to bottom byte
+ rgb = vsli_n_u32(rgb, g, 5);
+ b = vshr_n_u32(sval,8+8+8-5); // b to bottom byte
+ rgb = vsli_n_u32(rgb, b, 11);
+ vst1_lane_u16(dst++,vreinterpret_u16_u32(rgb),0);
+ }
+ }
+ }
+}
+
+
+void
+fbCompositeSrc_8888x8x8888neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint32_t *dstLine, *dst;
+ uint32_t *srcLine, *src;
+ uint32_t mask;
+ int dstStride, srcStride;
+ uint32_t w;
+ uint8x8_t mask_alpha;
+
+ fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
+ fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
+
+ fbComposeGetSolid (pMask, mask, pDst->bits.format);
+ mask_alpha = vdup_n_u8((mask) >> 24);
+
+ if (width>=8)
+ {
+ // Use overlapping 8-pixel method
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ uint32_t *keep_dst;
+
+#ifndef USE_NEON_INLINE_ASM
+ uint8x8x4_t sval,dval,temp;
+
+ sval = vld4_u8((void*)src);
+ dval = vld4_u8((void*)dst);
+ keep_dst = dst;
+
+ sval = neon8mul(sval,mask_alpha);
+ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
+ temp = neon8qadd(sval,temp);
+
+ src += (w & 7);
+ dst += (w & 7);
+ w -= (w & 7);
+
+ while (w)
+ {
+ sval = vld4_u8((void*)src);
+ dval = vld4_u8((void*)dst);
+
+ vst4_u8((void*)keep_dst,temp);
+ keep_dst = dst;
+
+ sval = neon8mul(sval,mask_alpha);
+ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
+ temp = neon8qadd(sval,temp);
+
+ src+=8;
+ dst+=8;
+ w-=8;
+ }
+ vst4_u8((void*)keep_dst,temp);
+#else
+ asm volatile (
+// avoid using d8-d15 (q4-q7) aapcs callee-save registers
+ "vdup.32 d30, %[mask]\n\t"
+ "vdup.8 d30, d30[3]\n\t"
+
+ "vld4.8 {d0-d3}, [%[src]]\n\t"
+ "vld4.8 {d4-d7}, [%[dst]]\n\t"
+ "mov %[keep_dst], %[dst]\n\t"
+
+ "and ip, %[w], #7\n\t"
+ "add %[src], %[src], ip, LSL#2\n\t"
+ "add %[dst], %[dst], ip, LSL#2\n\t"
+ "subs %[w], %[w], ip\n\t"
+ "b 9f\n\t"
+// LOOP
+ "2:\n\t"
+ "vld4.8 {d0-d3}, [%[src]]!\n\t"
+ "vld4.8 {d4-d7}, [%[dst]]!\n\t"
+ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
+ "sub %[keep_dst], %[dst], #8*4\n\t"
+ "subs %[w], %[w], #8\n\t"
+
+ "9:\n\t"
+ "vmull.u8 q10, d30, d0\n\t"
+ "vmull.u8 q11, d30, d1\n\t"
+ "vmull.u8 q12, d30, d2\n\t"
+ "vmull.u8 q13, d30, d3\n\t"
+ "vrshr.u16 q8, q10, #8\n\t"
+ "vrshr.u16 q9, q11, #8\n\t"
+ "vraddhn.u16 d0, q10, q8\n\t"
+ "vraddhn.u16 d1, q11, q9\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d3, q13, q9\n\t"
+ "vraddhn.u16 d2, q12, q8\n\t"
+
+ "vmvn.8 d31, d3\n\t"
+ "vmull.u8 q10, d31, d4\n\t"
+ "vmull.u8 q11, d31, d5\n\t"
+ "vmull.u8 q12, d31, d6\n\t"
+ "vmull.u8 q13, d31, d7\n\t"
+ "vrshr.u16 q8, q10, #8\n\t"
+ "vrshr.u16 q9, q11, #8\n\t"
+ "vraddhn.u16 d20, q10, q8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d21, q11, q9\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vraddhn.u16 d22, q12, q8\n\t"
+ "vraddhn.u16 d23, q13, q9\n\t"
+// result in d20-d23
+ "vqadd.u8 d20, d0, d20\n\t"
+ "vqadd.u8 d21, d1, d21\n\t"
+ "vqadd.u8 d22, d2, d22\n\t"
+ "vqadd.u8 d23, d3, d23\n\t"
+
+ "bne 2b\n\t"
+
+ "1:\n\t"
+ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
+
+ : [w] "+r" (w), [src] "+r" (src), [dst] "+r" (dst), [keep_dst] "+r" (keep_dst)
+ : [mask] "r" (mask)
+ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
+ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27",
+ "d30","d31"
+ );
+#endif
+ }
+ }
+ else
+ {
+ uint8x8_t alpha_selector=vreinterpret_u8_u64(vcreate_u64(0x0707070703030303ULL));
+
+ // Handle width<8
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ src = srcLine;
+ srcLine += srcStride;
+ w = width;
+
+ while (w>=2)
+ {
+ uint8x8_t sval,dval;
+
+ sval = vreinterpret_u8_u32(vld1_u32((void*)src));
+ dval = vreinterpret_u8_u32(vld1_u32((void*)dst));
+
+ /* sval * const alpha_mul */
+ sval = neon2mul(sval,mask_alpha);
+
+ /* dval * 255-(src alpha) */
+ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval), alpha_selector));
+
+ vst1_u8((void*)dst,vqadd_u8(sval,dval));
+
+ src+=2;
+ dst+=2;
+ w-=2;
+ }
+
+ if (w)
+ {
+ uint8x8_t sval,dval;
+
+ sval = vreinterpret_u8_u32(vld1_dup_u32((void*)src));
+ dval = vreinterpret_u8_u32(vld1_dup_u32((void*)dst));
+
+ /* sval * const alpha_mul */
+ sval = neon2mul(sval,mask_alpha);
+
+ /* dval * 255-(src alpha) */
+ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval), alpha_selector));
+
+ vst1_lane_u32((void*)dst,vreinterpret_u32_u8(vqadd_u8(sval,dval)),0);
+ }
+ }
+ }
+}
+
+
+
+void
+fbCompositeSolidMask_nx8x0565neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint32_t src, srca;
+ uint16_t *dstLine, *dst;
+ uint8_t *maskLine, *mask;
+ int dstStride, maskStride;
+ uint32_t w;
+ uint8x8_t sval2;
+ uint8x8x4_t sval8;
+
+ fbComposeGetSolid(pSrc, src, pDst->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ sval2=vreinterpret_u8_u32(vdup_n_u32(src));
+ sval8.val[0]=vdup_lane_u8(sval2,0);
+ sval8.val[1]=vdup_lane_u8(sval2,1);
+ sval8.val[2]=vdup_lane_u8(sval2,2);
+ sval8.val[3]=vdup_lane_u8(sval2,3);
+
+ fbComposeGetStart (pDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
+ fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
+
+ if (width>=8)
+ {
+ // Use overlapping 8-pixel method, modified to avoid rewritten dest being reused
+ while (height--)
+ {
+ uint16_t *keep_dst;
+
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+#ifndef USE_NEON_INLINE_ASM
+ uint8x8_t alpha;
+ uint16x8_t dval, temp;
+ uint8x8x4_t sval8temp;
+
+ alpha = vld1_u8((void*)mask);
+ dval = vld1q_u16((void*)dst);
+ keep_dst = dst;
+
+ sval8temp = neon8mul(sval8,alpha);
+ temp = pack0565(neon8qadd(sval8temp,neon8mul(unpack0565(dval),vmvn_u8(sval8temp.val[3]))));
+
+ mask += (w & 7);
+ dst += (w & 7);
+ w -= (w & 7);
+
+ while (w)
+ {
+ dval = vld1q_u16((void*)dst);
+ alpha = vld1_u8((void*)mask);
+
+ vst1q_u16((void*)keep_dst,temp);
+ keep_dst = dst;
+
+ sval8temp = neon8mul(sval8,alpha);
+ temp = pack0565(neon8qadd(sval8temp,neon8mul(unpack0565(dval),vmvn_u8(sval8temp.val[3]))));
+
+ mask+=8;
+ dst+=8;
+ w-=8;
+ }
+ vst1q_u16((void*)keep_dst,temp);
+#else
+ asm volatile (
+ "vdup.32 d0, %[src]\n\t"
+ "vdup.8 d1, d0[1]\n\t"
+ "vdup.8 d2, d0[2]\n\t"
+ "vdup.8 d3, d0[3]\n\t"
+ "vdup.8 d0, d0[0]\n\t"
+
+ "vld1.8 {q12}, [%[dst]]\n\t"
+ "vld1.8 {d31}, [%[mask]]\n\t"
+ "mov %[keep_dst], %[dst]\n\t"
+
+ "and ip, %[w], #7\n\t"
+ "add %[mask], %[mask], ip\n\t"
+ "add %[dst], %[dst], ip, LSL#1\n\t"
+ "subs %[w], %[w], ip\n\t"
+ "b 9f\n\t"
+// LOOP
+ "2:\n\t"
+
+ "vld1.16 {q12}, [%[dst]]!\n\t"
+ "vld1.8 {d31}, [%[mask]]!\n\t"
+ "vst1.16 {q10}, [%[keep_dst]]\n\t"
+ "sub %[keep_dst], %[dst], #8*2\n\t"
+ "subs %[w], %[w], #8\n\t"
+ "9:\n\t"
+// expand 0565 q12 to 8888 {d4-d7}
+ "vmovn.u16 d4, q12\t\n"
+ "vshr.u16 q11, q12, #5\t\n"
+ "vshr.u16 q10, q12, #6+5\t\n"
+ "vmovn.u16 d5, q11\t\n"
+ "vmovn.u16 d6, q10\t\n"
+ "vshl.u8 d4, d4, #3\t\n"
+ "vshl.u8 d5, d5, #2\t\n"
+ "vshl.u8 d6, d6, #3\t\n"
+ "vsri.u8 d4, d4, #5\t\n"
+ "vsri.u8 d5, d5, #6\t\n"
+ "vsri.u8 d6, d6, #5\t\n"
+
+ "vmull.u8 q10, d31, d0\n\t"
+ "vmull.u8 q11, d31, d1\n\t"
+ "vmull.u8 q12, d31, d2\n\t"
+ "vmull.u8 q13, d31, d3\n\t"
+ "vrshr.u16 q8, q10, #8\n\t"
+ "vrshr.u16 q9, q11, #8\n\t"
+ "vraddhn.u16 d20, q10, q8\n\t"
+ "vraddhn.u16 d21, q11, q9\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d23, q13, q9\n\t"
+ "vraddhn.u16 d22, q12, q8\n\t"
+
+// duplicate in 4/2/1 & 8pix vsns
+ "vmvn.8 d30, d23\n\t"
+ "vmull.u8 q14, d30, d6\n\t"
+ "vmull.u8 q13, d30, d5\n\t"
+ "vmull.u8 q12, d30, d4\n\t"
+ "vrshr.u16 q8, q14, #8\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vraddhn.u16 d6, q14, q8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d5, q13, q9\n\t"
+ "vqadd.u8 d6, d6, d22\n\t" // moved up
+ "vraddhn.u16 d4, q12, q8\n\t"
+// intentionally don't calculate alpha
+// result in d4-d6
+
+// "vqadd.u8 d6, d6, d22\n\t" ** moved up
+ "vqadd.u8 d5, d5, d21\n\t"
+ "vqadd.u8 d4, d4, d20\n\t"
+
+// pack 8888 {d20-d23} to 0565 q10
+ "vshll.u8 q10, d6, #8\n\t"
+ "vshll.u8 q3, d5, #8\n\t"
+ "vshll.u8 q2, d4, #8\n\t"
+ "vsri.u16 q10, q3, #5\t\n"
+ "vsri.u16 q10, q2, #11\t\n"
+
+ "bne 2b\n\t"
+
+ "1:\n\t"
+ "vst1.16 {q10}, [%[keep_dst]]\n\t"
+
+ : [w] "+r" (w), [dst] "+r" (dst), [mask] "+r" (mask), [keep_dst] "+r" (keep_dst)
+ : [src] "r" (src)
+ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
+ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27","d28","d29",
+ "d30","d31"
+ );
+#endif
+ }
+ }
+ else
+ {
+ while (height--)
+ {
+ void *dst4, *dst2;
+
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+
+#ifndef USE_NEON_INLINE_ASM
+ uint8x8_t alpha;
+ uint16x8_t dval, temp;
+ uint8x8x4_t sval8temp;
+
+ if (w&4)
+ {
+ alpha = vreinterpret_u8_u32(vld1_lane_u32((void*)mask,vreinterpret_u32_u8(alpha),1));
+ dval = vreinterpretq_u16_u64(vld1q_lane_u64((void*)dst,vreinterpretq_u64_u16(dval),1));
+ dst4=dst;
+ mask+=4;
+ dst+=4;
+ }
+ if (w&2)
+ {
+ alpha = vreinterpret_u8_u16(vld1_lane_u16((void*)mask,vreinterpret_u16_u8(alpha),1));
+ dval = vreinterpretq_u16_u32(vld1q_lane_u32((void*)dst,vreinterpretq_u32_u16(dval),1));
+ dst2=dst;
+ mask+=2;
+ dst+=2;
+ }
+ if (w&1)
+ {
+ alpha = vld1_lane_u8((void*)mask,alpha,1);
+ dval = vld1q_lane_u16((void*)dst,dval,1);
+ }
+
+ sval8temp = neon8mul(sval8,alpha);
+ temp = pack0565(neon8qadd(sval8temp,neon8mul(unpack0565(dval),vmvn_u8(sval8temp.val[3]))));
+
+ if (w&1)
+ vst1q_lane_u16((void*)dst,temp,1);
+ if (w&2)
+ vst1q_lane_u32((void*)dst2,vreinterpretq_u32_u16(temp),1);
+ if (w&4)
+ vst1q_lane_u64((void*)dst4,vreinterpretq_u64_u16(temp),1);
+#else
+ asm volatile (
+ "vdup.32 d0, %[src]\n\t"
+ "vdup.8 d1, d0[1]\n\t"
+ "vdup.8 d2, d0[2]\n\t"
+ "vdup.8 d3, d0[3]\n\t"
+ "vdup.8 d0, d0[0]\n\t"
+
+ "tst %[w], #4\t\n"
+ "beq skip_load4\t\n"
+
+ "vld1.64 {d25}, [%[dst]]\n\t"
+ "vld1.32 {d31[1]}, [%[mask]]\n\t"
+ "mov %[dst4], %[dst]\t\n"
+ "add %[mask], %[mask], #4\t\n"
+ "add %[dst], %[dst], #4*2\t\n"
+
+ "skip_load4:\t\n"
+ "tst %[w], #2\t\n"
+ "beq skip_load2\t\n"
+ "vld1.32 {d24[1]}, [%[dst]]\n\t"
+ "vld1.16 {d31[1]}, [%[mask]]\n\t"
+ "mov %[dst2], %[dst]\t\n"
+ "add %[mask], %[mask], #2\t\n"
+ "add %[dst], %[dst], #2*2\t\n"
+
+ "skip_load2:\t\n"
+ "tst %[w], #1\t\n"
+ "beq skip_load1\t\n"
+ "vld1.16 {d24[1]}, [%[dst]]\n\t"
+ "vld1.8 {d31[1]}, [%[mask]]\n\t"
+
+ "skip_load1:\t\n"
+// expand 0565 q12 to 8888 {d4-d7}
+ "vmovn.u16 d4, q12\t\n"
+ "vshr.u16 q11, q12, #5\t\n"
+ "vshr.u16 q10, q12, #6+5\t\n"
+ "vmovn.u16 d5, q11\t\n"
+ "vmovn.u16 d6, q10\t\n"
+ "vshl.u8 d4, d4, #3\t\n"
+ "vshl.u8 d5, d5, #2\t\n"
+ "vshl.u8 d6, d6, #3\t\n"
+ "vsri.u8 d4, d4, #5\t\n"
+ "vsri.u8 d5, d5, #6\t\n"
+ "vsri.u8 d6, d6, #5\t\n"
+
+ "vmull.u8 q10, d31, d0\n\t"
+ "vmull.u8 q11, d31, d1\n\t"
+ "vmull.u8 q12, d31, d2\n\t"
+ "vmull.u8 q13, d31, d3\n\t"
+ "vrshr.u16 q8, q10, #8\n\t"
+ "vrshr.u16 q9, q11, #8\n\t"
+ "vraddhn.u16 d20, q10, q8\n\t"
+ "vraddhn.u16 d21, q11, q9\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d23, q13, q9\n\t"
+ "vraddhn.u16 d22, q12, q8\n\t"
+
+// duplicate in 4/2/1 & 8pix vsns
+ "vmvn.8 d30, d23\n\t"
+ "vmull.u8 q14, d30, d6\n\t"
+ "vmull.u8 q13, d30, d5\n\t"
+ "vmull.u8 q12, d30, d4\n\t"
+ "vrshr.u16 q8, q14, #8\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vraddhn.u16 d6, q14, q8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d5, q13, q9\n\t"
+ "vqadd.u8 d6, d6, d22\n\t" // moved up
+ "vraddhn.u16 d4, q12, q8\n\t"
+// intentionally don't calculate alpha
+// result in d4-d6
+
+// "vqadd.u8 d6, d6, d22\n\t" ** moved up
+ "vqadd.u8 d5, d5, d21\n\t"
+ "vqadd.u8 d4, d4, d20\n\t"
+
+// pack 8888 {d20-d23} to 0565 q10
+ "vshll.u8 q10, d6, #8\n\t"
+ "vshll.u8 q3, d5, #8\n\t"
+ "vshll.u8 q2, d4, #8\n\t"
+ "vsri.u16 q10, q3, #5\t\n"
+ "vsri.u16 q10, q2, #11\t\n"
+
+ "tst %[w], #1\n\t"
+ "beq skip_store1\t\n"
+ "vst1.16 {d20[1]}, [%[dst]]\t\n"
+ "skip_store1:\t\n"
+ "tst %[w], #2\n\t"
+ "beq skip_store2\t\n"
+ "vst1.32 {d20[1]}, [%[dst2]]\t\n"
+ "skip_store2:\t\n"
+ "tst %[w], #4\n\t"
+ "beq skip_store4\t\n"
+ "vst1.16 {d21}, [%[dst4]]\t\n"
+ "skip_store4:\t\n"
+
+ : [w] "+r" (w), [dst] "+r" (dst), [mask] "+r" (mask), [dst4] "+r" (dst4), [dst2] "+r" (dst2)
+ : [src] "r" (src)
+ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
+ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27","d28","d29",
+ "d30","d31"
+ );
+#endif
+ }
+ }
+}
+
+
+void
+fbCompositeSolidMask_nx8x8888neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint32_t src, srca;
+ uint32_t *dstLine, *dst;
+ uint8_t *maskLine, *mask;
+ int dstStride, maskStride;
+ uint32_t w;
+ uint8x8_t sval2;
+ uint8x8x4_t sval8;
+ uint8x8_t mask_selector=vreinterpret_u8_u64(vcreate_u64(0x0101010100000000ULL));
+ uint8x8_t alpha_selector=vreinterpret_u8_u64(vcreate_u64(0x0707070703030303ULL));
+
+ fbComposeGetSolid(pSrc, src, pDst->bits.format);
+
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ sval2=vreinterpret_u8_u32(vdup_n_u32(src));
+ sval8.val[0]=vdup_lane_u8(sval2,0);
+ sval8.val[1]=vdup_lane_u8(sval2,1);
+ sval8.val[2]=vdup_lane_u8(sval2,2);
+ sval8.val[3]=vdup_lane_u8(sval2,3);
+
+ fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
+ fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
+
+ if (width>=8)
+ {
+ // Use overlapping 8-pixel method, modified to avoid rewritten dest being reused
+ while (height--)
+ {
+ uint32_t *keep_dst;
+
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+#ifndef USE_NEON_INLINE_ASM
+ uint8x8_t alpha;
+ uint8x8x4_t dval, temp;
+
+ alpha = vld1_u8((void*)mask);
+ dval = vld4_u8((void*)dst);
+ keep_dst = dst;
+
+ temp = neon8mul(sval8,alpha);
+ dval = neon8mul(dval,vmvn_u8(temp.val[3]));
+ temp = neon8qadd(temp,dval);
+
+ mask += (w & 7);
+ dst += (w & 7);
+ w -= (w & 7);
+
+ while (w)
+ {
+ alpha = vld1_u8((void*)mask);
+ dval = vld4_u8((void*)dst);
+
+ vst4_u8((void*)keep_dst,temp);
+ keep_dst = dst;
+
+ temp = neon8mul(sval8,alpha);
+ dval = neon8mul(dval,vmvn_u8(temp.val[3]));
+ temp = neon8qadd(temp,dval);
+
+ mask+=8;
+ dst+=8;
+ w-=8;
+ }
+ vst4_u8((void*)keep_dst,temp);
+#else
+ asm volatile (
+ "vdup.32 d0, %[src]\n\t"
+ "vdup.8 d1, d0[1]\n\t"
+ "vdup.8 d2, d0[2]\n\t"
+ "vdup.8 d3, d0[3]\n\t"
+ "vdup.8 d0, d0[0]\n\t"
+
+ "vld4.8 {d4-d7}, [%[dst]]\n\t"
+ "vld1.8 {d31}, [%[mask]]\n\t"
+ "mov %[keep_dst], %[dst]\n\t"
+
+ "and ip, %[w], #7\n\t"
+ "add %[mask], %[mask], ip\n\t"
+ "add %[dst], %[dst], ip, LSL#2\n\t"
+ "subs %[w], %[w], ip\n\t"
+ "b 9f\n\t"
+// LOOP
+ "2:\n\t"
+ "vld4.8 {d4-d7}, [%[dst]]!\n\t"
+ "vld1.8 {d31}, [%[mask]]!\n\t"
+ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
+ "sub %[keep_dst], %[dst], #8*4\n\t"
+ "subs %[w], %[w], #8\n\t"
+ "9:\n\t"
+
+ "vmull.u8 q10, d31, d0\n\t"
+ "vmull.u8 q11, d31, d1\n\t"
+ "vmull.u8 q12, d31, d2\n\t"
+ "vmull.u8 q13, d31, d3\n\t"
+ "vrshr.u16 q8, q10, #8\n\t"
+ "vrshr.u16 q9, q11, #8\n\t"
+ "vraddhn.u16 d20, q10, q8\n\t"
+ "vraddhn.u16 d21, q11, q9\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vraddhn.u16 d23, q13, q9\n\t"
+ "vraddhn.u16 d22, q12, q8\n\t"
+
+ "vmvn.8 d30, d23\n\t"
+ "vmull.u8 q12, d30, d4\n\t"
+ "vmull.u8 q13, d30, d5\n\t"
+ "vmull.u8 q14, d30, d6\n\t"
+ "vmull.u8 q15, d30, d7\n\t"
+
+ "vrshr.u16 q8, q12, #8\n\t"
+ "vrshr.u16 q9, q13, #8\n\t"
+ "vraddhn.u16 d4, q12, q8\n\t"
+ "vrshr.u16 q8, q14, #8\n\t"
+ "vraddhn.u16 d5, q13, q9\n\t"
+ "vrshr.u16 q9, q15, #8\n\t"
+ "vraddhn.u16 d6, q14, q8\n\t"
+ "vraddhn.u16 d7, q15, q9\n\t"
+// result in d4-d7
+
+ "vqadd.u8 d20, d4, d20\n\t"
+ "vqadd.u8 d21, d5, d21\n\t"
+ "vqadd.u8 d22, d6, d22\n\t"
+ "vqadd.u8 d23, d7, d23\n\t"
+
+ "bne 2b\n\t"
+
+ "1:\n\t"
+ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
+
+ : [w] "+r" (w), [dst] "+r" (dst), [mask] "+r" (mask), [keep_dst] "+r" (keep_dst)
+ : [src] "r" (src)
+ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
+ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27","d28","d29",
+ "d30","d31"
+ );
+#endif
+ }
+ }
+ else
+ {
+ while (height--)
+ {
+ uint8x8_t alpha;
+
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+ while (w>=2)
+ {
+ uint8x8_t dval, temp, res;
+
+ alpha = vtbl1_u8(vreinterpret_u8_u16(vld1_dup_u16((void*)mask)), mask_selector);
+ dval = vld1_u8((void*)dst);
+
+ temp = neon2mul(sval2,alpha);
+ res = vqadd_u8(temp,neon2mul(dval,vtbl1_u8(vmvn_u8(temp), alpha_selector)));
+
+ vst1_u8((void*)dst,res);
+
+ mask+=2;
+ dst+=2;
+ w-=2;
+ }
+ if (w)
+ {
+ uint8x8_t dval, temp, res;
+
+ alpha = vtbl1_u8(vld1_dup_u8((void*)mask), mask_selector);
+ dval = vreinterpret_u8_u32(vld1_dup_u32((void*)dst));
+
+ temp = neon2mul(sval2,alpha);
+ res = vqadd_u8(temp,neon2mul(dval,vtbl1_u8(vmvn_u8(temp), alpha_selector)));
+
+ vst1_lane_u32((void*)dst,vreinterpret_u32_u8(res),0);
+ }
+ }
+ }
+}
+
+
+void
+fbCompositeSrcAdd_8888x8x8neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height)
+{
+ uint8_t *dstLine, *dst;
+ uint8_t *maskLine, *mask;
+ int dstStride, maskStride;
+ uint32_t w;
+ uint32_t src;
+ uint8x8_t sa;
+
+ fbComposeGetStart (pDst, xDst, yDst, uint8_t, dstStride, dstLine, 1);
+ fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
+ fbComposeGetSolid (pSrc, src, pDst->bits.format);
+ sa = vdup_n_u8((src) >> 24);
+
+ if (width>=8)
+ {
+ // Use overlapping 8-pixel method, modified to avoid rewritten dest being reused
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+ uint8x8_t mval, dval, res;
+ uint8_t *keep_dst;
+
+ mval = vld1_u8((void *)mask);
+ dval = vld1_u8((void *)dst);
+ keep_dst = dst;
+
+ res = vqadd_u8(neon2mul(mval,sa),dval);
+
+ mask += (w & 7);
+ dst += (w & 7);
+ w -= w & 7;
+
+ while (w)
+ {
+ mval = vld1_u8((void *)mask);
+ dval = vld1_u8((void *)dst);
+ vst1_u8((void *)keep_dst, res);
+ keep_dst = dst;
+
+ res = vqadd_u8(neon2mul(mval,sa),dval);
+
+ mask += 8;
+ dst += 8;
+ w -= 8;
+ }
+ vst1_u8((void *)keep_dst, res);
+ }
+ }
+ else
+ {
+ // Use 4/2/1 load/store method to handle 1-7 pixels
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+ uint8x8_t mval, dval, res;
+ uint8_t *dst4, *dst2;
+
+ if (w&4)
+ {
+ mval = vreinterpret_u8_u32(vld1_lane_u32((void *)mask, vreinterpret_u32_u8(mval), 1));
+ dval = vreinterpret_u8_u32(vld1_lane_u32((void *)dst, vreinterpret_u32_u8(dval), 1));
+
+ dst4 = dst;
+ mask += 4;
+ dst += 4;
+ }
+ if (w&2)
+ {
+ mval = vreinterpret_u8_u16(vld1_lane_u16((void *)mask, vreinterpret_u16_u8(mval), 1));
+ dval = vreinterpret_u8_u16(vld1_lane_u16((void *)dst, vreinterpret_u16_u8(dval), 1));
+ dst2 = dst;
+ mask += 2;
+ dst += 2;
+ }
+ if (w&1)
+ {
+ mval = vld1_lane_u8((void *)mask, mval, 1);
+ dval = vld1_lane_u8((void *)dst, dval, 1);
+ }
+
+ res = vqadd_u8(neon2mul(mval,sa),dval);
+
+ if (w&1)
+ vst1_lane_u8((void *)dst, res, 1);
+ if (w&2)
+ vst1_lane_u16((void *)dst2, vreinterpret_u16_u8(res), 1);
+ if (w&4)
+ vst1_lane_u32((void *)dst4, vreinterpret_u32_u8(res), 1);
+ }
+ }
+}
+
diff --git a/gfx/cairo/libpixman/src/pixman-arm-neon.h b/gfx/cairo/libpixman/src/pixman-arm-neon.h
new file mode 100644
--- /dev/null
+++ b/gfx/cairo/libpixman/src/pixman-arm-neon.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright © 2009 Mozilla Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Mozilla Corporation not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Mozilla Corporation makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Ian Rickards (ian.rickards@arm.com)
+ *
+ */
+
+#include "pixman-private.h"
+
+#ifdef USE_ARM_NEON
+
+pixman_bool_t pixman_have_arm_neon(void);
+
+#else
+#define pixman_have_arm_neon() FALSE
+#endif
+
+#ifdef USE_ARM_NEON
+
+void
+fbCompositeSrcAdd_8000x8000neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+void
+fbCompositeSrc_8888x8888neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+void
+fbCompositeSrc_8888x8x8888neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+void
+fbCompositeSolidMask_nx8x0565neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+void
+fbCompositeSolidMask_nx8x8888neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+void
+fbCompositeSrc_x888x0565neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+void
+fbCompositeSrcAdd_8888x8x8neon (pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height);
+
+#endif /* USE_ARM_NEON */
diff --git a/gfx/cairo/libpixman/src/pixman-pict.c b/gfx/cairo/libpixman/src/pixman-pict.c
--- a/gfx/cairo/libpixman/src/pixman-pict.c
+++ b/gfx/cairo/libpixman/src/pixman-pict.c
@@ -34,6 +34,7 @@
#include "pixman-mmx.h"
#include "pixman-vmx.h"
#include "pixman-sse2.h"
+#include "pixman-arm-neon.h"
#include "pixman-arm-simd.h"
#include "pixman-combine32.h"
@@ -1523,6 +1524,31 @@ static const FastPathInfo vmx_fast_paths
};
#endif
+#ifdef USE_ARM_NEON
+static const FastPathInfo arm_neon_fast_paths[] =
+{
+ { PIXMAN_OP_ADD, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8, fbCompositeSrcAdd_8888x8x8neon, 0 },
+ { PIXMAN_OP_ADD, PIXMAN_a8, PIXMAN_null, PIXMAN_a8, fbCompositeSrcAdd_8000x8000neon, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fbCompositeSrc_x888x0565neon, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_x8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fbCompositeSrc_x888x0565neon, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fbCompositeSrc_x888x0565neon, 0 },
+ { PIXMAN_OP_SRC, PIXMAN_x8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fbCompositeSrc_x888x0565neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_a8r8g8b8, fbCompositeSrc_8888x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_x8r8g8b8, fbCompositeSrc_8888x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_a8b8g8r8, fbCompositeSrc_8888x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_x8b8g8r8, fbCompositeSrc_8888x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_a8, PIXMAN_a8r8g8b8, fbCompositeSrc_8888x8x8888neon, NEED_SOLID_MASK },
+ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_a8, PIXMAN_x8r8g8b8, fbCompositeSrc_8888x8x8888neon, NEED_SOLID_MASK },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_r5g6b5, fbCompositeSolidMask_nx8x0565neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_b5g6r5, fbCompositeSolidMask_nx8x0565neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8r8g8b8, fbCompositeSolidMask_nx8x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_x8r8g8b8, fbCompositeSolidMask_nx8x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8b8g8r8, fbCompositeSolidMask_nx8x8888neon, 0 },
+ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_x8b8g8r8, fbCompositeSolidMask_nx8x8888neon, 0 },
+ { PIXMAN_OP_NONE },
+};
+#endif
+
#ifdef USE_ARM_SIMD
static const FastPathInfo arm_simd_fast_paths[] =
{
@@ -1898,6 +1924,11 @@ pixman_image_composite (pixman_op_t
info = get_fast_path (vmx_fast_paths, op, pSrc, pMask, pDst, pixbuf);
#endif
+#ifdef USE_ARM_NEON
+ if (!info && pixman_have_arm_neon())
+ info = get_fast_path (arm_neon_fast_paths, op, pSrc, pMask, pDst, pixbuf);
+#endif
+
#ifdef USE_ARM_SIMD
if (!info && pixman_have_arm_simd())
info = get_fast_path (arm_simd_fast_paths, op, pSrc, pMask, pDst, pixbuf);
@@ -2023,17 +2054,22 @@ pixman_bool_t pixman_have_vmx (void) {
#endif /* __APPLE__ */
#endif /* USE_VMX */
-#ifdef USE_ARM_SIMD
+#if defined(USE_ARM_SIMD) || defined(USE_ARM_NEON)
+
+#if defined(_MSC_VER)
+
+extern int pixman_msvc_try_arm_simd_op();
+extern int pixman_msvc_try_arm_neon_op();
+
pixman_bool_t
pixman_have_arm_simd (void)
{
-#ifdef _MSC_VER
static pixman_bool_t initialized = FALSE;
static pixman_bool_t have_arm_simd = FALSE;
if (!initialized) {
__try {
- pixman_msvc_try_armv6_op();
+ pixman_msvc_try_arm_simd_op();
have_arm_simd = TRUE;
} __except(GetExceptionCode() == EXCEPTION_ILLEGAL_INSTRUCTION) {
have_arm_simd = FALSE;
@@ -2042,11 +2078,107 @@ pixman_have_arm_simd (void)
}
return have_arm_simd;
-#else
- return TRUE;
-#endif
}
-#endif
+
+pixman_bool_t
+pixman_have_arm_neon (void)
+{
+ static pixman_bool_t initialized = FALSE;
+ static pixman_bool_t have_arm_neon = FALSE;
+
+ if (!initialized) {
+ __try {
+ pixman_msvc_try_arm_neon_op();
+ have_arm_neon = TRUE;
+ } __except(GetExceptionCode() == EXCEPTION_ILLEGAL_INSTRUCTION) {
+ have_arm_neon = FALSE;
+ }
+ initialized = TRUE;
+ }
+
+ return have_arm_neon;
+}
+
+#else /* linux ELF */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <string.h>
+#include <elf.h>
+
+static pixman_bool_t arm_has_v7 = FALSE;
+static pixman_bool_t arm_has_v6 = FALSE;
+static pixman_bool_t arm_has_vfp = FALSE;
+static pixman_bool_t arm_has_neon = FALSE;
+static pixman_bool_t arm_has_iwmmxt = FALSE;
+static pixman_bool_t arm_tests_initialized = FALSE;
+
+static void
+pixman_arm_read_auxv() {
+ int fd;
+ Elf32_auxv_t aux;
+
+ fd = open("/proc/self/auxv", O_RDONLY);
+ if (fd > 0) {
+ while (read(fd, &aux, sizeof(Elf32_auxv_t)) == sizeof(Elf32_auxv_t)) {
+ if (aux.a_type == AT_HWCAP) {
+ uint32_t hwcap = aux.a_un.a_val;
+ if (getenv("ARM_FORCE_HWCAP"))
+ hwcap = strtoul(getenv("ARM_FORCE_HWCAP"), NULL, 0);
+ // hardcode these values to avoid depending on specific versions
+ // of the hwcap header, e.g. HWCAP_NEON
+ arm_has_vfp = (hwcap & 64) != 0;
+ arm_has_iwmmxt = (hwcap & 512) != 0;
+ // this flag is only present on kernel 2.6.29
+ arm_has_neon = (hwcap & 4096) != 0;
+ } else if (aux.a_type == AT_PLATFORM) {
+ const char *plat = (const char*) aux.a_un.a_val;
+ if (getenv("ARM_FORCE_PLATFORM"))
+ plat = getenv("ARM_FORCE_PLATFORM");
+ if (strncmp(plat, "v7l", 3) == 0) {
+ arm_has_v7 = TRUE;
+ arm_has_v6 = TRUE;
+ } else if (strncmp(plat, "v6l", 3) == 0) {
+ arm_has_v6 = TRUE;
+ }
+ }
+ }
+ close (fd);
+
+ // if we don't have 2.6.29, we have to do this hack; set
+ // the env var to trust HWCAP.
+ if (!getenv("ARM_TRUST_HWCAP") && arm_has_v7)
+ arm_has_neon = TRUE;
+ }
+
+ arm_tests_initialized = TRUE;
+}
+
+pixman_bool_t
+pixman_have_arm_simd (void)
+{
+ if (!arm_tests_initialized)
+ pixman_arm_read_auxv();
+
+ return arm_has_v6;
+}
+
+pixman_bool_t
+pixman_have_arm_neon (void)
+{
+ if (!arm_tests_initialized)
+ pixman_arm_read_auxv();
+
+ return arm_has_neon;
+}
+
+#endif /* linux */
+
+#endif /* USE_ARM_SIMD || USE_ARM_NEON */
#ifdef USE_MMX
/* The CPU detection code needs to be in a file not compiled with
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