diff options
Diffstat (limited to 'Source/Core/Common/x64FPURoundMode.cpp')
| -rw-r--r-- | Source/Core/Common/x64FPURoundMode.cpp | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/Source/Core/Common/x64FPURoundMode.cpp b/Source/Core/Common/x64FPURoundMode.cpp index 403473ab1a..1dd2fd18f0 100644 --- a/Source/Core/Common/x64FPURoundMode.cpp +++ b/Source/Core/Common/x64FPURoundMode.cpp @@ -34,10 +34,6 @@ namespace FPURoundMode void SetPrecisionMode(PrecisionMode mode) { - #ifdef _M_X86_32 - // sets the floating-point lib to 53-bit - // PowerPC has a 53bit floating pipeline only - // eg: sscanf is very sensitive #ifdef _WIN32 _control87(_PC_53, MCW_PC); #else @@ -47,14 +43,10 @@ namespace FPURoundMode 2 << 8, // 53 bits 3 << 8, // 64 bits }; - unsigned short _mode; - asm ("fstcw %0" : "=m" (_mode)); - _mode = (_mode & ~PRECISION_MASK) | precision_table[mode]; - asm ("fldcw %0" : : "m" (_mode)); - #endif - #else - //x64 doesn't need this - fpu is done with SSE - //but still - set any useful sse options here + unsigned short cw; + asm ("fnstcw %0" : "=m" (cw)); + cw = (cw & ~PRECISION_MASK) | precision_table[mode]; + asm ("fldcw %0" : : "m" (cw)); #endif } |