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authorAurelien Jarno <aurelien@aurel32.net>2012-01-07 15:20:11 +0100
committerAurelien Jarno <aurelien@aurel32.net>2012-01-11 09:55:28 +0100
commitadc7166611ed7240434b60b915f4c116c4c70820 (patch)
tree2e0f3eb0ee76d6cbb6a91c2e9cf0cd04108fd28b /target-i386
parenta4d1f142542935b90d2eb30f3aead4edcf455fe6 (diff)
downloadqemu-arm-adc7166611ed7240434b60b915f4c116c4c70820.tar.gz
target-i386: fix round{pd,ps,sd,ss} SSE2 instructions
roundps and roundss SSE2 instructions have been broken when switching target-i386 to softfloat. They use float64_round_to_int to convert a float32, and while the implicit conversion from float32 to float64 was correct for softfloat-native, it is not for pure softfloat. Fix that by using the correct registers and correct functions. Also fix roundpd and roundsd implementation at the same time, even if these functions are behaving correctly. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/ops_sse.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index 8ed231d554..6a77295a8b 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -1653,10 +1653,10 @@ void glue(helper_roundps, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
break;
}
- d->L(0) = float64_round_to_int(s->L(0), &env->sse_status);
- d->L(1) = float64_round_to_int(s->L(1), &env->sse_status);
- d->L(2) = float64_round_to_int(s->L(2), &env->sse_status);
- d->L(3) = float64_round_to_int(s->L(3), &env->sse_status);
+ d->XMM_S(0) = float32_round_to_int(s->XMM_S(0), &env->sse_status);
+ d->XMM_S(1) = float32_round_to_int(s->XMM_S(1), &env->sse_status);
+ d->XMM_S(2) = float32_round_to_int(s->XMM_S(2), &env->sse_status);
+ d->XMM_S(3) = float32_round_to_int(s->XMM_S(3), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
@@ -1689,8 +1689,8 @@ void glue(helper_roundpd, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
break;
}
- d->Q(0) = float64_round_to_int(s->Q(0), &env->sse_status);
- d->Q(1) = float64_round_to_int(s->Q(1), &env->sse_status);
+ d->XMM_D(0) = float64_round_to_int(s->XMM_D(0), &env->sse_status);
+ d->XMM_D(1) = float64_round_to_int(s->XMM_D(1), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
@@ -1723,7 +1723,7 @@ void glue(helper_roundss, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
break;
}
- d->L(0) = float64_round_to_int(s->L(0), &env->sse_status);
+ d->XMM_S(0) = float32_round_to_int(s->XMM_S(0), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
@@ -1756,7 +1756,7 @@ void glue(helper_roundsd, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
break;
}
- d->Q(0) = float64_round_to_int(s->Q(0), &env->sse_status);
+ d->XMM_D(0) = float64_round_to_int(s->XMM_D(0), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))