The-Homebrew-Cloud/Lime3DS
2
0
Fork 0
mirror of https://github.com/Lime3DS/Lime3DS.git synced 2024-11-27 20:14:17 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #290 from lioncash/vsub

Browse Source 
armemu: Backport some VFP fixes from 3dmoo.
This commit is contained in:
bunnei 2014-12-16 23:22:58 -05:00
commit ec9ac2f51a
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/core/arm/skyeye_common/vfp/vfpsingle.cpp
View File

@ -614,7 +614,7 @@ static u32 vfp_single_ftoui(ARMul_State* state, int sd, int unused, s32 m, u32 f
exceptions |= FPSCR_IDC;
if (tm & VFP_NAN)
vsm.sign = 0;
vsm.sign = 1;
if (vsm.exponent >= 127 + 32) {
d = vsm.sign ? 0 : 0xffffffff;
@ -1148,7 +1148,10 @@ static u32 vfp_single_fsub(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
/*
* Subtraction is addition with one sign inverted.
*/
return vfp_single_fadd(state, sd, sn, vfp_single_packed_negate(m), fpscr);
if (m != 0x7FC00000) // Only negate if m isn't NaN.
m = vfp_single_packed_negate(m);
return vfp_single_fadd(state, sd, sn, m, fpscr);
}
/*