* config/i386/i386.c (override_options): Disable x87 fancy math
intrinsics if -mfpmath= doesn't include 387 (default on x86_64).
From-SVN: r91267
2004-11-24 Roger Sayle <roger@eyesopen.com>
+ * config/i386/i386.c (override_options): Disable x87 fancy math
+ intrinsics if -mfpmath= doesn't include 387 (default on x86_64).
+
+2004-11-24 Roger Sayle <roger@eyesopen.com>
+
* configure.ac: Tweak test for HAVE_DECL_LDGETNAME to avoid a
system header conflict on AIX 5.2.
* configure: Regenerate.
error ("bad value (%s) for -mfpmath= switch", ix86_fpmath_string);
}
+ /* If fpmath doesn't include 387, disable use of x87 intrinsics. */
+ if (! (ix86_fpmath & FPMATH_387))
+ target_flags |= MASK_NO_FANCY_MATH_387;
+
/* It makes no sense to ask for just SSE builtins, so MMX is also turned
on by -msse. */
if (TARGET_SSE)