Commit a891c7a1947995eae84345719a197b6da14f96cc
1 parent
b2a8e592
fxam fix (Julian Seward)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1997 c046a42c-6fe2-441c-8c8c-71466251a162
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target-i386/helper.c
| @@ -2950,9 +2950,14 @@ void helper_fxam_ST0(void) | @@ -2950,9 +2950,14 @@ void helper_fxam_ST0(void) | ||
| 2950 | if (SIGND(temp)) | 2950 | if (SIGND(temp)) |
| 2951 | env->fpus |= 0x200; /* C1 <-- 1 */ | 2951 | env->fpus |= 0x200; /* C1 <-- 1 */ |
| 2952 | 2952 | ||
| 2953 | + /* XXX: test fptags too */ | ||
| 2953 | expdif = EXPD(temp); | 2954 | expdif = EXPD(temp); |
| 2954 | if (expdif == MAXEXPD) { | 2955 | if (expdif == MAXEXPD) { |
| 2956 | +#ifdef USE_X86LDOUBLE | ||
| 2957 | + if (MANTD(temp) == 0x8000000000000000ULL) | ||
| 2958 | +#else | ||
| 2955 | if (MANTD(temp) == 0) | 2959 | if (MANTD(temp) == 0) |
| 2960 | +#endif | ||
| 2956 | env->fpus |= 0x500 /*Infinity*/; | 2961 | env->fpus |= 0x500 /*Infinity*/; |
| 2957 | else | 2962 | else |
| 2958 | env->fpus |= 0x100 /*NaN*/; | 2963 | env->fpus |= 0x100 /*NaN*/; |