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authorAurelien Jarno <aurelien@aurel32.net>2011-04-20 13:04:23 +0200
committerAurelien Jarno <aurelien@aurel32.net>2011-04-25 11:18:33 +0200
commitfec05e429943a2486ebe4c65da7b46a90f2dcfb2 (patch)
treed28a05071c59ee66d0ffe4568c3039d4e4fec374 /target-i386
parent13822781d4732f847555a2f60560c71c531c9f98 (diff)
target-i386: fix helper_fsqrt() wrt softfloat
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/exec.h4
-rw-r--r--target-i386/op_helper.c7
2 files changed, 6 insertions, 5 deletions
diff --git a/target-i386/exec.h b/target-i386/exec.h
index b2af8945c5..292e0de325 100644
--- a/target-i386/exec.h
+++ b/target-i386/exec.h
@@ -114,6 +114,7 @@ static inline void svm_check_intercept(uint32_t type)
#define floatx_div floatx80_div
#define floatx_mul floatx80_mul
#define floatx_sub floatx80_sub
+#define floatx_sqrt floatx80_sqrt
#define floatx_abs floatx80_abs
#define floatx_chs floatx80_chs
#define floatx_scalbn floatx80_scalbn
@@ -121,6 +122,7 @@ static inline void svm_check_intercept(uint32_t type)
#define floatx_compare floatx80_compare
#define floatx_compare_quiet floatx80_compare_quiet
#define floatx_is_any_nan floatx80_is_any_nan
+#define floatx_is_neg floatx80_is_neg
#define floatx_is_zero floatx80_is_zero
#else
#define floatx_to_int32 float64_to_int32
@@ -137,6 +139,7 @@ static inline void svm_check_intercept(uint32_t type)
#define floatx_div float64_div
#define floatx_mul float64_mul
#define floatx_sub float64_sub
+#define floatx_sqrt float64_sqrt
#define floatx_abs float64_abs
#define floatx_chs float64_chs
#define floatx_scalbn float64_scalbn
@@ -144,6 +147,7 @@ static inline void svm_check_intercept(uint32_t type)
#define floatx_compare float64_compare
#define floatx_compare_quiet float64_compare_quiet
#define floatx_is_any_nan float64_is_any_nan
+#define floatx_is_neg float64_is_neg
#define floatx_is_zero float64_is_zero
#endif
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index bd24d8c442..589a68bc71 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -4152,14 +4152,11 @@ void helper_fyl2xp1(void)
void helper_fsqrt(void)
{
- CPU86_LDouble fptemp;
-
- fptemp = ST0;
- if (fptemp<0.0) {
+ if (floatx_is_neg(ST0)) {
env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */
env->fpus |= 0x400;
}
- ST0 = sqrt(fptemp);
+ ST0 = floatx_sqrt(ST0, &env->fp_status);
}
void helper_fsincos(void)