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* mingwex/math/trunc.c (trunc): Provide lvalue for memory input constraint. 

* mingwex/math/truncf.c (truncf): Likewise.
	* mingwex/math/truncl.c (truncl): Likewise.
	* mingwex/math/modff.c (modff): Likewise.
	* mingwex/math/modfl.c (modfl): Likewise.
This commit is contained in:
Danny Smith 2003-07-03 11:24:18 +00:00
parent 78b8a13965
commit 235f653a53
6 changed files with 31 additions and 23 deletions
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8
winsup/mingw/ChangeLog
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@ -1,3 +1,11 @@
2003-07-03 Danny Smith <dannysmith@users.sourceforge.net>
* mingwex/math/trunc.c (trunc): Provide lvalue for memory input constraint.
* mingwex/math/truncf.c (truncf): Likewise.
* mingwex/math/truncl.c (truncl): Likewise.
* mingwex/math/modff.c (modff): Likewise.
* mingwex/math/modfl.c (modfl): Likewise.
2003-07-03 Danny Smith <dannysmith@users.sourceforge.net> 2003-07-03 Danny Smith <dannysmith@users.sourceforge.net>
* include/search.h: New file. * include/search.h: New file.

5
winsup/mingw/mingwex/math/modff.c
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@ -9,10 +9,11 @@ modff (float value, float* iptr)
{ {
float int_part; float int_part;
unsigned short saved_cw; unsigned short saved_cw;
unsigned short tmp_cw;
/* truncate */ /* truncate */
asm ("fnstcw %0;" : "=m" (saved_cw)); /* save control word */ asm ("fnstcw %0;" : "=m" (saved_cw)); /* save control word */
asm ("fldcw %0;" : : "m" ((saved_cw & ~FE_ROUNDING_MASK) tmp_cw = (saved_cw & ~FE_ROUNDING_MASK) | FE_TOWARDZERO;
| FE_TOWARDZERO)); asm ("fldcw %0;" : : "m" (tmp_cw));
asm ("frndint;" : "=t" (int_part) : "0" (value)); /* round */ asm ("frndint;" : "=t" (int_part) : "0" (value)); /* round */
asm ("fldcw %0;" : : "m" (saved_cw)); /* restore saved cw */ asm ("fldcw %0;" : : "m" (saved_cw)); /* restore saved cw */
if (iptr) if (iptr)

5
winsup/mingw/mingwex/math/modfl.c
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@ -9,10 +9,11 @@ modfl (long double value, long double* iptr)
{ {
long double int_part; long double int_part;
unsigned short saved_cw; unsigned short saved_cw;
unsigned short tmp_cw;
/* truncate */ /* truncate */
asm ("fnstcw %0;" : "=m" (saved_cw)); /* save control word */ asm ("fnstcw %0;" : "=m" (saved_cw)); /* save control word */
asm ("fldcw %0;" : : "m" ((saved_cw & ~FE_ROUNDING_MASK) tmp_cw = (saved_cw & ~FE_ROUNDING_MASK) | FE_TOWARDZERO;
| FE_TOWARDZERO)); asm ("fldcw %0;" : : "m" (tmp_cw));
asm ("frndint;" : "=t" (int_part) : "0" (value)); /* round */ asm ("frndint;" : "=t" (int_part) : "0" (value)); /* round */
asm ("fldcw %0;" : : "m" (saved_cw)); /* restore saved cw */ asm ("fldcw %0;" : : "m" (saved_cw)); /* restore saved cw */
if (iptr) if (iptr)

11
winsup/mingw/mingwex/math/trunc.c
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@ -5,12 +5,11 @@ double
trunc (double _x){ trunc (double _x){
double retval; double retval;
unsigned short saved_cw; unsigned short saved_cw;
__asm__ ("fnstcw %0;": "=m" (saved_cw)); /* save FPU control word */ unsigned short tmp_cw;
__asm__ ("fldcw %0;" __asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */
: tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO))
: "m" ((saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO;
| FE_TOWARDZERO)) | FE_TOWARDZERO) __asm__ ("fldcw %0;" : : "m" (tmp_cw));
);
__asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */ __asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */
__asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */ __asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */
return retval; return retval;

14
winsup/mingw/mingwex/math/truncf.c
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@ -2,15 +2,15 @@
#include <math.h> #include <math.h>
float float
truncf (float _x){ truncf (float _x)
{
float retval; float retval;
unsigned short saved_cw; unsigned short saved_cw;
__asm__ ("fnstcw %0;": "=m" (saved_cw)); /* save FPU control word */ unsigned short tmp_cw;
__asm__ ("fldcw %0;" __asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */
: tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO))
: "m" ((saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO;
| FE_TOWARDZERO)) | FE_TOWARDZERO) __asm__ ("fldcw %0;" : : "m" (tmp_cw));
);
__asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */ __asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */
__asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */ __asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */
return retval; return retval;

11
winsup/mingw/mingwex/math/truncl.c
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@ -5,12 +5,11 @@ long double
truncl (long double _x){ truncl (long double _x){
long double retval; long double retval;
unsigned short saved_cw; unsigned short saved_cw;
__asm__ ("fnstcw %0;": "=m" (saved_cw)); /* save FPU control word */ unsigned short tmp_cw;
__asm__ ("fldcw %0;" __asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */
: tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO))
: "m" ((saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO;
| FE_TOWARDZERO)) | FE_TOWARDZERO) __asm__ ("fldcw %0;" : : "m" (tmp_cw));
);
__asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */ __asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */
__asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */ __asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */
return retval; return retval;