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target/arm: Implement SME2 BMOPA

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250704142112.1018902-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson
2025-07-04 15:52:21 +01:00
committed by Peter Maydell
parent e9de40e538
commit 24b5220f4c
4 changed files with 31 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
target/arm/tcg/helper-sme.h
+3
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@@ -153,3 +153,6 @@ DEF_HELPER_FLAGS_6(sme_sumopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_usmopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme2_bmopa_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
target/arm/tcg/sme.decode
+2
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@@ -165,3 +165,5 @@ SMOPA_d 1010000 0 11 0 ..... ... ... ..... . 0 ... @op_64
SUMOPA_d 1010000 0 11 1 ..... ... ... ..... . 0 ... @op_64
USMOPA_d 1010000 1 11 0 ..... ... ... ..... . 0 ... @op_64
UMOPA_d 1010000 1 11 1 ..... ... ... ..... . 0 ... @op_64
BMOPA 1000000 0 10 0 ..... ... ... ..... . 10 .. @op_32
target/arm/tcg/sme_helper.c
+24 -10
View File
@@ -1297,17 +1297,31 @@ DEF_IMOP_64(umopa_d, uint16_t, uint16_t)
DEF_IMOP_64(sumopa_d, int16_t, uint16_t)
DEF_IMOP_64(usmopa_d, uint16_t, int16_t)
#define DEF_IMOPH(NAME, S) \
void HELPER(sme_##NAME##_##S)(void *vza, void *vzn, void *vzm, \
#define DEF_IMOPH(P, NAME, S) \
void HELPER(P##_##NAME##_##S)(void *vza, void *vzn, void *vzm, \
void *vpn, void *vpm, uint32_t desc) \
{ do_imopa_##S(vza, vzn, vzm, vpn, vpm, desc, NAME##_##S); }
DEF_IMOPH(smopa, s)
DEF_IMOPH(umopa, s)
DEF_IMOPH(sumopa, s)
DEF_IMOPH(usmopa, s)
DEF_IMOPH(sme, smopa, s)
DEF_IMOPH(sme, umopa, s)
DEF_IMOPH(sme, sumopa, s)
DEF_IMOPH(sme, usmopa, s)
DEF_IMOPH(smopa, d)
DEF_IMOPH(umopa, d)
DEF_IMOPH(sumopa, d)
DEF_IMOPH(usmopa, d)
DEF_IMOPH(sme, smopa, d)
DEF_IMOPH(sme, umopa, d)
DEF_IMOPH(sme, sumopa, d)
DEF_IMOPH(sme, usmopa, d)
static uint32_t bmopa_s(uint32_t n, uint32_t m, uint32_t a, uint8_t p, bool neg)
{
uint32_t sum = ctpop32(~(n ^ m));
if (neg) {
sum = -sum;
}
if (!(p & 1)) {
sum = 0;
}
return a + sum;
}
DEF_IMOPH(sme2, bmopa, s)
target/arm/tcg/translate-sme.c
+2
View File
@@ -539,3 +539,5 @@ TRANS_FEAT(SMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_smopa_
TRANS_FEAT(UMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_umopa_d)
TRANS_FEAT(SUMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_sumopa_d)
TRANS_FEAT(USMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_usmopa_d)
TRANS_FEAT(BMOPA, aa64_sme2, do_outprod, a, MO_32, gen_helper_sme2_bmopa_s)