i386.h (TARGET_USE_FANCY_MATH_387): New macro.

	* config/i386/i386.h (TARGET_USE_FANCY_MATH_387): New macro.
	* config/i386/i386.c (override_options):  Set MASK_NO_FANCY_MATH_387
	automatically for targets without TARGET_80387.
	* config/i386/i386.md (sqrtsf2, sqrtsf2_1, sqrtsf2_i387, sqrtdf2,
	sqrtdf2_1, sqrtdf2_i387, *sqrtextendsfdf2, sqrtxf2,
	*sqrtextenddfxf2, *sqrtextendsfxf2, fpremxf4, fmodsf3, fmoddf3,
	fmodxf3, fprem1xf4, dremsf3, dremdf3, dremxf3, *sindf2, *sinsf2,
	*sinextendsfdf2, *sinxf2, *cosdf2, *cossf2, *cosextendsfdf2,
	*cosxf2, sincosdf3, sincossf3, *sincosextendsfdf3, sincosxf3,
	*tandf3_1, tandf2, *tansf3_1, tansf2, *tanxf3_1, tanxf2,
	atan2df3_1, atan2df3, atandf2, atan2sf3_1, atan2sf3, atansf2,
	atan2xf3_1, atan2xf3, atanxf2, asindf2, asinsf2, asinxf2,
	acosdf2, acossf2, acosxf2, fyl2x_xf3, logsf2, logdf2, logxf2,
	log10sf2, log10df2, log10xf2, log2sf2, log2df2, log2xf2,
	fyl2xp1_xf3, log1psf2, log1pdf2, log1pxf2, *fxtractxf3, logbsf2,
	logbdf2, logbxf2, ilogbsi2, *f2xm1xf2, *fscalexf4, expsf2,
	expdf2, expxf2, exp10sf2, exp10df2, exp10xf2, exp2sf2, exp2df2,
	exp2xf2, expm1df2, expm1sf2, expm1xf2, frndintxf2, rintdf2,
	rintsf2, rintxf2, frndintxf2_floor, floordf2, floorsf2,
	floorxf2, frndintxf2_ceil, ceildf2, ceilsf2, ceilxf2,
	frndintxf2_trunc, btruncdf2, btruncsf2, btruncxf2,
	frndintxf2_mask_pm, nearbyintdf2, nearbyintsf2, nearbyintxf2):
	Simplify conditionals using TARGET_USE_FANCY_MATH_387.

From-SVN: r91061

gcc/ChangeLog

+2004-11-22  Roger Sayle  <roger@eyesopen.com>
+
+	* config/i386/i386.h (TARGET_USE_FANCY_MATH_387): New macro.
+	* config/i386/i386.c (override_options):  Set MASK_NO_FANCY_MATH_387
+	automatically for targets without TARGET_80387.
+	* config/i386/i386.md (sqrtsf2, sqrtsf2_1, sqrtsf2_i387, sqrtdf2,
+	sqrtdf2_1, sqrtdf2_i387, *sqrtextendsfdf2, sqrtxf2,
+	*sqrtextenddfxf2, *sqrtextendsfxf2, fpremxf4, fmodsf3, fmoddf3,
+	fmodxf3, fprem1xf4, dremsf3, dremdf3, dremxf3, *sindf2, *sinsf2,
+	*sinextendsfdf2, *sinxf2, *cosdf2, *cossf2, *cosextendsfdf2,
+	*cosxf2, sincosdf3, sincossf3, *sincosextendsfdf3, sincosxf3,
+	*tandf3_1, tandf2, *tansf3_1, tansf2, *tanxf3_1, tanxf2,
+	atan2df3_1, atan2df3, atandf2, atan2sf3_1, atan2sf3, atansf2,
+	atan2xf3_1, atan2xf3, atanxf2, asindf2, asinsf2, asinxf2,
+	acosdf2, acossf2, acosxf2, fyl2x_xf3, logsf2, logdf2, logxf2,
+	log10sf2, log10df2, log10xf2, log2sf2, log2df2, log2xf2,
+	fyl2xp1_xf3, log1psf2, log1pdf2, log1pxf2, *fxtractxf3, logbsf2,
+	logbdf2, logbxf2, ilogbsi2, *f2xm1xf2, *fscalexf4, expsf2,
+	expdf2, expxf2, exp10sf2, exp10df2, exp10xf2, exp2sf2, exp2df2,
+	exp2xf2, expm1df2, expm1sf2, expm1xf2, frndintxf2, rintdf2,
+	rintsf2, rintxf2, frndintxf2_floor, floordf2, floorsf2, 
+	floorxf2, frndintxf2_ceil, ceildf2, ceilsf2, ceilxf2,
+	frndintxf2_trunc, btruncdf2, btruncsf2, btruncxf2,
+	frndintxf2_mask_pm, nearbyintdf2, nearbyintsf2, nearbyintxf2):
+	Simplify conditionals using TARGET_USE_FANCY_MATH_387.
+
 2004-11-22  Dale Johannesen  <dalej@apple.com>
 
 	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION):  Conditionalize

gcc/config/i386/i386.c

@@ -1482,6 +1482,11 @@ override_options (void)
   if (x86_arch_always_fancy_math_387 & (1 << ix86_arch))
     target_flags &= ~MASK_NO_FANCY_MATH_387;
 
+  /* Likewise, if the target doesn't have a 387, or we've specified
+     software floating point, don't use 387 inline instrinsics.  */
+  if (!TARGET_80387)
+    target_flags |= MASK_NO_FANCY_MATH_387;
+
   /* Turn on SSE2 builtins for -msse3.  */
   if (TARGET_SSE3)
     target_flags |= MASK_SSE2;

gcc/config/i386/i386.h

@@ -177,6 +177,9 @@ extern int target_flags;
    This is because FreeBSD lacks these in the math-emulator-code */
 #define TARGET_NO_FANCY_MATH_387 (target_flags & MASK_NO_FANCY_MATH_387)
 
+/* Generate 387 floating point intrinsics for the current target.  */
+#define TARGET_USE_FANCY_MATH_387 (! TARGET_NO_FANCY_MATH_387)
+
 /* Don't create frame pointers for leaf functions */
 #define TARGET_OMIT_LEAF_FRAME_POINTER \
   (target_flags & MASK_OMIT_LEAF_FRAME_POINTER)