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b=1042508 remove : of empty Clobber asm argument r=padenot

Browse Source 
https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html#Extended-Asm says

  asm [volatile] ( AssemblerTemplate : [OutputOperands] [ : [InputOperands] [ : [Clobbers] ] ] )

which implies that Clobbers is optional even after the third colon, but
the gcc used for b2g_try_emulator_dep builds says

resample_neon.c: In function 'saturate_32bit_to_16bit':
resample_neon.c:50: error: expected string literal before ')' token

--HG--
extra : rebase_source : 6ca7768d5b30f67ff6827acc9a4fdc51a672bc1e
This commit is contained in:
Karl Tomlinson 2014-07-22 20:10:36 +12:00
parent 443ba0fbbc
commit 4cd53b7e4f
3 changed files with 35 additions and 2 deletions
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33
media/libspeex_resampler/remove-empty-asm-clobber.patch Normal file
View File

@ -0,0 +1,33 @@
https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html#Extended-Asm says
asm [volatile] ( AssemblerTemplate : [OutputOperands] [ : [InputOperands] [ : [Clobbers] ] ] )
which implies that Clobbers is optional even after the third colon, but
the gcc used for b2g_try_emulator_dep builds says
resample_neon.c: In function 'saturate_32bit_to_16bit':
resample_neon.c:50: error: expected string literal before ')' token
diff --git a/media/libspeex_resampler/src/resample_neon.c b/media/libspeex_resampler/src/resample_neon.c
--- a/media/libspeex_resampler/src/resample_neon.c
+++ b/media/libspeex_resampler/src/resample_neon.c
@@ -41,18 +41,17 @@
#include <arm_neon.h>
#ifdef FIXED_POINT
#ifdef __thumb2__
static inline int32_t saturate_32bit_to_16bit(int32_t a) {
int32_t ret;
asm ("ssat %[ret], #16, %[a]"
: [ret] "=&r" (ret)
- : [a] "r" (a)
- : );
+ : [a] "r" (a));
return ret;
}
#else
static inline int32_t saturate_32bit_to_16bit(int32_t a) {
int32_t ret;
asm ("vmov.s32 d0[0], %[a]\n"
"vqmovn.s32 d0, q0\n"
"vmov.s16 %[ret], d0[0]\n"

3
media/libspeex_resampler/src/resample_neon.c
View File

@ -46,8 +46,7 @@ static inline int32_t saturate_32bit_to_16bit(int32_t a) {
int32_t ret;
asm ("ssat %[ret], #16, %[a]"
: [ret] "=&r" (ret)
: [a] "r" (a)
: );
: [a] "r" (a));
return ret;
}
#else

1
media/libspeex_resampler/update.sh
View File

@ -24,3 +24,4 @@ patch -p3 < outside-speex.patch
patch -p3 < simd-detect-runtime.patch
patch -p3 < set-skip-frac.patch
patch -p3 < hugemem.patch
patch -p3 < remove-empty-asm-clobber.patch