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target-i386: fix helper_fsqrt() wrt softfloat 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2011-04-20 13:04:23 +02:00
parent 13822781d4
commit fec05e4299
2 changed files with 6 additions and 5 deletions
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4
target-i386/exec.h
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@ -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

7
target-i386/op_helper.c
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@ -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)