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target/arm: stop using deprecated functions in NEON_2RM_VCVT_F16_F32

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Remove some old constructs from NEON_2RM_VCVT_F16_F32 code:
* don't use cpu_F0s
* don't use tcg_gen_ld_f32

Backports commit 58f2682eee738e8890f9cfe858e0f4f68b00d45d from qemu
This commit is contained in:
Peter Maydell 2019-06-25 18:39:41 -05:00 committed by Lioncash
parent d419fbc270
commit 8ae25f6e4c
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 12 additions and 15 deletions
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27
qemu/target/arm/translate.c
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@ -1608,7 +1608,6 @@ static TCGv_ptr vfp_reg_ptr(DisasContext *s, bool dp, int reg)
return ret;
}
#define tcg_gen_ld_f32 tcg_gen_ld_i32
#define tcg_gen_st_f32 tcg_gen_st_i32
#define ARM_CP_RW_BIT (1 << 20)
@ -6559,25 +6558,23 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
q || (rm & 1)) {
return 1;
}
tmp = tcg_temp_new_i32(tcg_ctx);
tmp2 = tcg_temp_new_i32(tcg_ctx);
fpst = get_fpstatus_ptr(s, true);
ahp = get_ahp_flag(s);
tcg_gen_ld_f32(tcg_ctx, s->F0s, tcg_ctx->cpu_env, neon_reg_offset(rm, 0));
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp, s->F0s, fpst, ahp);
tcg_gen_ld_f32(tcg_ctx, s->F0s, tcg_ctx->cpu_env, neon_reg_offset(rm, 1));
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp2, s->F0s, fpst, ahp);
tmp = neon_load_reg(s, rm, 0);
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp, tmp, fpst, ahp);
tmp2 = neon_load_reg(s, rm, 1);
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp2, tmp2, fpst, ahp);
tcg_gen_shli_i32(tcg_ctx, tmp2, tmp2, 16);
tcg_gen_or_i32(tcg_ctx, tmp2, tmp2, tmp);
tcg_gen_ld_f32(tcg_ctx, s->F0s, tcg_ctx->cpu_env, neon_reg_offset(rm, 2));
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp, s->F0s, fpst, ahp);
tcg_gen_ld_f32(tcg_ctx, s->F0s, tcg_ctx->cpu_env, neon_reg_offset(rm, 3));
tcg_temp_free_i32(tcg_ctx, tmp);
tmp = neon_load_reg(s, rm, 2);
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp, tmp, fpst, ahp);
tmp3 = neon_load_reg(s, rm, 3);
neon_store_reg(s, rd, 0, tmp2);
tmp2 = tcg_temp_new_i32(tcg_ctx);
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp2, s->F0s, fpst, ahp);
tcg_gen_shli_i32(tcg_ctx, tmp2, tmp2, 16);
tcg_gen_or_i32(tcg_ctx, tmp2, tmp2, tmp);
neon_store_reg(s, rd, 1, tmp2);
gen_helper_vfp_fcvt_f32_to_f16(tcg_ctx, tmp3, tmp3, fpst, ahp);
tcg_gen_shli_i32(tcg_ctx, tmp3, tmp3, 16);
tcg_gen_or_i32(tcg_ctx, tmp3, tmp3, tmp);
neon_store_reg(s, rd, 1, tmp3);
tcg_temp_free_i32(tcg_ctx, tmp);
tcg_temp_free_i32(tcg_ctx, ahp);
tcg_temp_free_ptr(tcg_ctx, fpst);