yuzu/unicorn
1
0
Fork 0
mirror of https://github.com/yuzu-emu/unicorn.git synced 2025-03-23 23:35:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

target/arm: Use gvec for NEON_3R_VMUL

Browse source
This commit is contained in:
Lioncash 2018-11-10 10:11:10 -05:00
parent dfdc6bc05c
commit 7790ca1ccb
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 15 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
qemu/target/arm/translate.c
View file

@ -6123,6 +6123,19 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
vec_size, vec_size);
}
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(tcg_ctx, size, rd_ofs, rn_ofs, rm_ofs,
vec_size, vec_size);
return 0;
}
break;
}
if (size == 3) {
/* 64-bit element instructions. */
@ -6229,12 +6242,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
return 1;
}
break;
case NEON_3R_VMUL:
if (u && (size != 0)) {
/* UNDEF on invalid size for polynomial subcase */
return 1;
}
break;
case NEON_3R_VFM_VQRDMLSH:
if (!arm_dc_feature(s, ARM_FEATURE_VFP4)) {
return 1;
@ -6347,16 +6354,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
}
break;
case NEON_3R_VMUL:
if (u) { /* polynomial */
gen_helper_neon_mul_p8(tcg_ctx, tmp, tmp, tmp2);
} else { /* Integer */
switch (size) {
case 0: gen_helper_neon_mul_u8(tcg_ctx, tmp, tmp, tmp2); break;
case 1: gen_helper_neon_mul_u16(tcg_ctx, tmp, tmp, tmp2); break;
case 2: tcg_gen_mul_i32(tcg_ctx, tmp, tmp, tmp2); break;
default: abort();
}
}
/* VMUL.P8; other cases already eliminated. */
gen_helper_neon_mul_p8(s, tmp, tmp, tmp2);
break;
case NEON_3R_VPMAX:
GEN_NEON_INTEGER_OP(pmax);