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target/arm: Move 'env' argument of recps_f32 and rsqrts_f32 helpers to usual place

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The usual location for the env argument in the argument list of a TCG helper
is immediately after the return-value argument. recps_f32 and rsqrts_f32
differ in that they put it at the end.

Move the env argument to its usual place; this will allow us to
more easily use these helper functions with the gvec APIs.

Backports commit 26c6f695cfd2a3ccddb4d015a25b56f56aa62928 from qemu
This commit is contained in:
Peter Maydell 2020-05-15 23:41:33 -04:00 committed by Lioncash
parent 05e72483f4
commit a593866af6
3 changed files with 6 additions and 6 deletions
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4
qemu/target/arm/helper.h
View file

@ -199,8 +199,8 @@ DEF_HELPER_FLAGS_3(vfp_fcvt_f64_to_f16, TCG_CALL_NO_RWG, f16, f64, ptr, i32)
DEF_HELPER_4(vfp_muladdd, f64, f64, f64, f64, ptr)
DEF_HELPER_4(vfp_muladds, f32, f32, f32, f32, ptr)
DEF_HELPER_3(recps_f32, f32, f32, f32, env)
DEF_HELPER_3(rsqrts_f32, f32, f32, f32, env)
DEF_HELPER_3(recps_f32, f32, env, f32, f32)
DEF_HELPER_3(rsqrts_f32, f32, env, f32, f32)
DEF_HELPER_FLAGS_2(recpe_f16, TCG_CALL_NO_RWG, f16, f16, ptr)
DEF_HELPER_FLAGS_2(recpe_f32, TCG_CALL_NO_RWG, f32, f32, ptr)
DEF_HELPER_FLAGS_2(recpe_f64, TCG_CALL_NO_RWG, f64, f64, ptr)

4
qemu/target/arm/translate.c
View file

@ -5620,9 +5620,9 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
tcg_temp_free_ptr(tcg_ctx, fpstatus);
} else {
if (size == 0) {
gen_helper_recps_f32(tcg_ctx, tmp, tmp, tmp2, tcg_ctx->cpu_env);
gen_helper_recps_f32(tcg_ctx, tmp, tcg_ctx->cpu_env, tmp, tmp2);
} else {
gen_helper_rsqrts_f32(tcg_ctx, tmp, tmp, tmp2, tcg_ctx->cpu_env);
gen_helper_rsqrts_f32(tcg_ctx, tmp, tcg_ctx->cpu_env, tmp, tmp2);
}
}
break;

4
qemu/target/arm/vfp_helper.c
View file

@ -590,7 +590,7 @@ uint32_t HELPER(vfp_fcvt_f64_to_f16)(float64 a, void *fpstp, uint32_t ahp_mode)
#define float32_three make_float32(0x40400000)
#define float32_one_point_five make_float32(0x3fc00000)
float32 HELPER(recps_f32)(float32 a, float32 b, CPUARMState *env)
float32 HELPER(recps_f32)(CPUARMState *env, float32 a, float32 b)
{
float_status *s = &env->vfp.standard_fp_status;
if ((float32_is_infinity(a) && float32_is_zero_or_denormal(b)) ||
@ -603,7 +603,7 @@ float32 HELPER(recps_f32)(float32 a, float32 b, CPUARMState *env)
return float32_sub(float32_two, float32_mul(a, b, s), s);
}
float32 HELPER(rsqrts_f32)(float32 a, float32 b, CPUARMState *env)
float32 HELPER(rsqrts_f32)(CPUARMState *env, float32 a, float32 b)
{
float_status *s = &env->vfp.standard_fp_status;
float32 product;