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[Qemu-devel] [5757] target-sh4: use CPU_Float/CPU_Double instead of ugly
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [5757] target-sh4: use CPU_Float/CPU_Double instead of ugly casts |
Date: |
Wed, 19 Nov 2008 18:00:40 +0000 |
Revision: 5757
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5757
Author: aurel32
Date: 2008-11-19 18:00:39 +0000 (Wed, 19 Nov 2008)
Log Message:
-----------
target-sh4: use CPU_Float/CPU_Double instead of ugly casts
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-sh4/op_helper.c
Modified: trunk/target-sh4/op_helper.c
===================================================================
--- trunk/target-sh4/op_helper.c 2008-11-19 17:54:49 UTC (rev 5756)
+++ trunk/target-sh4/op_helper.c 2008-11-19 18:00:39 UTC (rev 5757)
@@ -389,31 +389,45 @@
uint32_t helper_fabs_FT(uint32_t t0)
{
- float32 ret = float32_abs(*(float32*)&t0);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f;
+ f.l = t0;
+ f.f = float32_abs(f.f);
+ return f.l;
}
uint64_t helper_fabs_DT(uint64_t t0)
{
- float64 ret = float64_abs(*(float64*)&t0);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d;
+ d.ll = t0;
+ d.d = float64_abs(d.d);
+ return d.ll;
}
uint32_t helper_fadd_FT(uint32_t t0, uint32_t t1)
{
- float32 ret = float32_add(*(float32*)&t0, *(float32*)&t1, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f0, f1;
+ f0.l = t0;
+ f1.l = t1;
+ f0.f = float32_add(f0.f, f1.f, &env->fp_status);
+ return f0.l;
}
uint64_t helper_fadd_DT(uint64_t t0, uint64_t t1)
{
- float64 ret = float64_add(*(float64*)&t0, *(float64*)&t1, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d0, d1;
+ d0.ll = t0;
+ d1.ll = t1;
+ d0.d = float64_add(d0.d, d1.d, &env->fp_status);
+ return d0.ll;
}
void helper_fcmp_eq_FT(uint32_t t0, uint32_t t1)
{
- if (float32_compare(*(float32*)&t0, *(float32*)&t1, &env->fp_status) == 0)
+ CPU_FloatU f0, f1;
+ f0.l = t0;
+ f1.l = t1;
+
+ if (float32_compare(f0.f, f1.f, &env->fp_status) == 0)
set_t();
else
clr_t();
@@ -421,7 +435,11 @@
void helper_fcmp_eq_DT(uint64_t t0, uint64_t t1)
{
- if (float64_compare(*(float64*)&t0, *(float64*)&t1, &env->fp_status) == 0)
+ CPU_DoubleU d0, d1;
+ d0.ll = t0;
+ d1.ll = t1;
+
+ if (float64_compare(d0.d, d1.d, &env->fp_status) == 0)
set_t();
else
clr_t();
@@ -429,7 +447,11 @@
void helper_fcmp_gt_FT(uint32_t t0, uint32_t t1)
{
- if (float32_compare(*(float32*)&t0, *(float32*)&t1, &env->fp_status) == 1)
+ CPU_FloatU f0, f1;
+ f0.l = t0;
+ f1.l = t1;
+
+ if (float32_compare(f0.f, f1.f, &env->fp_status) == 1)
set_t();
else
clr_t();
@@ -437,7 +459,11 @@
void helper_fcmp_gt_DT(uint64_t t0, uint64_t t1)
{
- if (float64_compare(*(float64*)&t0, *(float64*)&t1, &env->fp_status) == 1)
+ CPU_DoubleU d0, d1;
+ d0.ll = t0;
+ d1.ll = t1;
+
+ if (float64_compare(d0.d, d1.d, &env->fp_status) == 1)
set_t();
else
clr_t();
@@ -445,88 +471,124 @@
uint64_t helper_fcnvsd_FT_DT(uint32_t t0)
{
- float64 ret = float32_to_float64(*(float32*)&t0, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d;
+ CPU_FloatU f;
+ f.l = t0;
+ d.d = float32_to_float64(f.f, &env->fp_status);
+ return d.ll;
}
uint32_t helper_fcnvds_DT_FT(uint64_t t0)
{
- float32 ret = float64_to_float32(*(float64*)&t0, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_DoubleU d;
+ CPU_FloatU f;
+ d.ll = t0;
+ f.f = float64_to_float32(d.d, &env->fp_status);
+ return f.l;
}
uint32_t helper_fdiv_FT(uint32_t t0, uint32_t t1)
{
- float32 ret = float32_div(*(float32*)&t0, *(float32*)&t1, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f0, f1;
+ f0.l = t0;
+ f1.l = t1;
+ f0.f = float32_div(f0.f, f1.f, &env->fp_status);
+ return f0.l;
}
uint64_t helper_fdiv_DT(uint64_t t0, uint64_t t1)
{
- float64 ret = float64_div(*(float64*)&t0, *(float64*)&t1, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d0, d1;
+ d0.ll = t0;
+ d1.ll = t1;
+ d0.d = float64_div(d0.d, d1.d, &env->fp_status);
+ return d0.ll;
}
uint32_t helper_float_FT(uint32_t t0)
{
- float32 ret = int32_to_float32(t0, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f;
+ f.f = int32_to_float32(t0, &env->fp_status);
+ return f.l;
}
uint64_t helper_float_DT(uint32_t t0)
{
- float64 ret = int32_to_float64(t0, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d;
+ d.d = int32_to_float64(t0, &env->fp_status);
+ return d.ll;
}
uint32_t helper_fmul_FT(uint32_t t0, uint32_t t1)
{
- float32 ret = float32_mul(*(float32*)&t0, *(float32*)&t1, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f0, f1;
+ f0.l = t0;
+ f1.l = t1;
+ f0.f = float32_mul(f0.f, f1.f, &env->fp_status);
+ return f0.l;
}
uint64_t helper_fmul_DT(uint64_t t0, uint64_t t1)
{
- float64 ret = float64_mul(*(float64*)&t0, *(float64*)&t1, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d0, d1;
+ d0.ll = t0;
+ d1.ll = t1;
+ d0.d = float64_mul(d0.d, d1.d, &env->fp_status);
+ return d0.ll;
}
uint32_t helper_fneg_T(uint32_t t0)
{
- float32 ret = float32_chs(*(float32*)&t0);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f;
+ f.l = t0;
+ f.f = float32_chs(f.f);
+ return f.l;
}
uint32_t helper_fsqrt_FT(uint32_t t0)
{
- float32 ret = float32_sqrt(*(float32*)&t0, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f;
+ f.l = t0;
+ f.f = float32_sqrt(f.f, &env->fp_status);
+ return f.l;
}
uint64_t helper_fsqrt_DT(uint64_t t0)
{
- float64 ret = float64_sqrt(*(float64*)&t0, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d;
+ d.ll = t0;
+ d.d = float64_sqrt(d.d, &env->fp_status);
+ return d.ll;
}
uint32_t helper_fsub_FT(uint32_t t0, uint32_t t1)
{
- float32 ret = float32_sub(*(float32*)&t0, *(float32*)&t1, &env->fp_status);
- return *(uint32_t*)(&ret);
+ CPU_FloatU f0, f1;
+ f0.l = t0;
+ f1.l = t1;
+ f0.f = float32_sub(f0.f, f1.f, &env->fp_status);
+ return f0.l;
}
uint64_t helper_fsub_DT(uint64_t t0, uint64_t t1)
{
- float64 ret = float64_sub(*(float64*)&t0, *(float64*)&t1, &env->fp_status);
- return *(uint64_t*)(&ret);
+ CPU_DoubleU d0, d1;
+ d0.ll = t0;
+ d1.ll = t1;
+ d0.d = float64_sub(d0.d, d1.d, &env->fp_status);
+ return d0.ll;
}
uint32_t helper_ftrc_FT(uint32_t t0)
{
- return float32_to_int32_round_to_zero(*(float32*)&t0, &env->fp_status);
+ CPU_FloatU f;
+ f.l = t0;
+ return float32_to_int32_round_to_zero(f.f, &env->fp_status);
}
uint32_t helper_ftrc_DT(uint64_t t0)
{
- return float64_to_int32_round_to_zero(*(float64*)&t0, &env->fp_status);
+ CPU_DoubleU d;
+ d.ll = t0;
+ return float64_to_int32_round_to_zero(d.d, &env->fp_status);
}
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