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Diffstat (limited to 'libgfortran/config/fpu-387.h')
-rw-r--r--libgfortran/config/fpu-387.h37
1 files changed, 14 insertions, 23 deletions
diff --git a/libgfortran/config/fpu-387.h b/libgfortran/config/fpu-387.h
index 608354d975a..6c42ab84524 100644
--- a/libgfortran/config/fpu-387.h
+++ b/libgfortran/config/fpu-387.h
@@ -73,7 +73,7 @@ has_sse (void)
/* We need a single SSE instruction here so the handler can safely skip
over it. */
- __asm__ volatile ("movaps %xmm0,%xmm0");
+ __asm__ __volatile__ ("movaps\t%xmm0,%xmm0");
sigaction (SIGILL, &oact, NULL);
@@ -100,7 +100,7 @@ void set_fpu (void)
{
unsigned short cw;
- asm volatile ("fnstcw %0" : "=m" (cw));
+ __asm__ __volatile__ ("fnstcw\t%0" : "=m" (cw));
cw |= (_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM | _FPU_MASK_OM
| _FPU_MASK_UM | _FPU_MASK_PM);
@@ -112,13 +112,13 @@ void set_fpu (void)
if (options.fpe & GFC_FPE_UNDERFLOW) cw &= ~_FPU_MASK_UM;
if (options.fpe & GFC_FPE_INEXACT) cw &= ~_FPU_MASK_PM;
- asm volatile ("fldcw %0" : : "m" (cw));
+ __asm__ __volatile__ ("fldcw\t%0" : : "m" (cw));
if (has_sse())
{
unsigned int cw_sse;
- asm volatile ("%vstmxcsr %0" : "=m" (cw_sse));
+ __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (cw_sse));
cw_sse &= 0xffff0000;
cw_sse |= (_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM | _FPU_MASK_OM
@@ -131,7 +131,7 @@ void set_fpu (void)
if (options.fpe & GFC_FPE_UNDERFLOW) cw_sse &= ~(_FPU_MASK_UM << 7);
if (options.fpe & GFC_FPE_INEXACT) cw_sse &= ~(_FPU_MASK_PM << 7);
- asm volatile ("%vldmxcsr %0" : : "m" (cw_sse));
+ __asm__ __volatile__ ("%vldmxcsr\t%0" : : "m" (cw_sse));
}
}
@@ -139,7 +139,7 @@ void set_fpu (void)
int
get_fpu_except_flags (void)
{
- int result;
+ int result = 0;
unsigned short cw;
__asm__ __volatile__ ("fnstsw\t%0" : "=a" (cw));
@@ -147,27 +147,18 @@ get_fpu_except_flags (void)
if (has_sse())
{
unsigned int cw_sse;
+
__asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (cw_sse));
+
cw |= cw_sse;
}
- if (cw & _FPU_MASK_IM)
- result |= GFC_FPE_INVALID;
-
- if (cw & _FPU_MASK_ZM)
- result |= GFC_FPE_ZERO;
-
- if (cw & _FPU_MASK_OM)
- result |= GFC_FPE_OVERFLOW;
-
- if (cw & _FPU_MASK_UM)
- result |= GFC_FPE_UNDERFLOW;
-
- if (cw & _FPU_MASK_DM)
- result |= GFC_FPE_DENORMAL;
-
- if (cw & _FPU_MASK_PM)
- result |= GFC_FPE_INEXACT;
+ if (cw & _FPU_MASK_IM) result |= GFC_FPE_INVALID;
+ if (cw & _FPU_MASK_DM) result |= GFC_FPE_DENORMAL;
+ if (cw & _FPU_MASK_ZM) result |= GFC_FPE_ZERO;
+ if (cw & _FPU_MASK_OM) result |= GFC_FPE_OVERFLOW;
+ if (cw & _FPU_MASK_UM) result |= GFC_FPE_UNDERFLOW;
+ if (cw & _FPU_MASK_PM) result |= GFC_FPE_INEXACT;
return result;
}