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target/arm: Use gvec for NEON_3R_VMUL

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181011205206.3552-12-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-10-24 07:50:19 +01:00 • committed by Peter Maydell
parent 4bf940beba
commit 82083184b6
1 changed files with 15 additions and 16 deletions
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31
target/arm/translate.c
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@ -5959,6 +5959,19 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
vec_size, vec_size); vec_size, vec_size);
} }
return 0; return 0;
case NEON_3R_VMUL: /* VMUL */
if (u) {
/* Polynomial case allows only P8 and is handled below. */
if (size != 0) {
return 1;
}
} else {
tcg_gen_gvec_mul(size, rd_ofs, rn_ofs, rm_ofs,
vec_size, vec_size);
return 0;
}
break;
} }
if (size == 3) { if (size == 3) {
/* 64-bit element instructions. */ /* 64-bit element instructions. */
@ -6065,12 +6078,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
return 1; return 1;
} }
break; break;
case NEON_3R_VMUL:
if (u && (size != 0)) {
/* UNDEF on invalid size for polynomial subcase */
return 1;
}
break;
case NEON_3R_VFM_VQRDMLSH: case NEON_3R_VFM_VQRDMLSH:
if (!arm_dc_feature(s, ARM_FEATURE_VFP4)) { if (!arm_dc_feature(s, ARM_FEATURE_VFP4)) {
return 1; return 1;
@ -6183,16 +6190,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
} }
break; break;
case NEON_3R_VMUL: case NEON_3R_VMUL:
if (u) { /* polynomial */ /* VMUL.P8; other cases already eliminated. */
gen_helper_neon_mul_p8(tmp, tmp, tmp2); gen_helper_neon_mul_p8(tmp, tmp, tmp2);
} else { /* Integer */
switch (size) {
case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break;
case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break;
case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break;
default: abort();
}
}
break; break;
case NEON_3R_VPMAX: case NEON_3R_VPMAX:
GEN_NEON_INTEGER_OP(pmax); GEN_NEON_INTEGER_OP(pmax);