Remove the rest of x86_32 support from Common.

This commit is contained in:
Ryan Houdek
2014-08-03 13:42:06 -05:00
parent a70fad4dcb
commit 0c24e1dcf2
11 changed files with 17 additions and 429 deletions

View File

@ -32,30 +32,9 @@ namespace FPURoundMode
fesetround(rounding_mode_lut[mode]);
}
void SetPrecisionMode(PrecisionMode mode)
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
const unsigned short PRECISION_MASK = 3 << 8;
const unsigned short precision_table[] = {
0 << 8, // 24 bits
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
#endif
//x64 doesn't need this - fpu is done with SSE
}
void SetSIMDMode(int rounding_mode, bool non_ieee_mode)