yuzu/unicorn
1
0
Fork 0
mirror of https://github.com/yuzu-emu/unicorn.git synced 2025-03-23 06:25:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

target/arm: Use gvec for NEON_3R_VADD_VSUB insns

Browse source 
Backports commit e4717ae02dd0c2e544a07302c1ed473775209aba from qemu
This commit is contained in:
Richard Henderson 2018-11-10 10:08:19 -05:00 committed by Lioncash
parent 0965b9513a
commit 7b4b5ac249
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 10 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
qemu/target/arm/translate.c
View file

@ -6113,6 +6113,16 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
break;
}
return 0;
case NEON_3R_VADD_VSUB:
if (u) {
tcg_gen_gvec_sub(tcg_ctx, size, rd_ofs, rn_ofs, rm_ofs,
vec_size, vec_size);
} else {
tcg_gen_gvec_add(tcg_ctx, size, rd_ofs, rn_ofs, rm_ofs,
vec_size, vec_size);
}
return 0;
}
if (size == 3) {
/* 64-bit element instructions. */
@ -6170,13 +6180,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
s->V1, s->V0);
}
break;
case NEON_3R_VADD_VSUB:
if (u) {
tcg_gen_sub_i64(tcg_ctx, CPU_V001);
} else {
tcg_gen_add_i64(tcg_ctx, CPU_V001);
}
break;
default:
abort();
}
@ -6311,18 +6314,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
tmp2 = neon_load_reg(s, rd, pass);
gen_neon_add(s, size, tmp, tmp2);
break;
case NEON_3R_VADD_VSUB:
if (!u) { /* VADD */
gen_neon_add(s, size, tmp, tmp2);
} else { /* VSUB */
switch (size) {
case 0: gen_helper_neon_sub_u8(tcg_ctx, tmp, tmp, tmp2); break;
case 1: gen_helper_neon_sub_u16(tcg_ctx, tmp, tmp, tmp2); break;
case 2: tcg_gen_sub_i32(tcg_ctx, tmp, tmp, tmp2); break;
default: abort();
}
}
break;
case NEON_3R_VTST_VCEQ:
if (!u) { /* VTST */
switch (size) {