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| author | Roger Sayle <roger@eyesopen.com> | 2004-11-25 02:05:21 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2004-11-25 02:05:21 +0000 |
| commit | ec0641f612862498e829fdaf040a201c0ba68762 (patch) | |
| tree | f613cff3297a6cfd012117e3b772ba64adfc7c53 /gcc | |
| parent | 2102b2fe72df5d96409d2f7b0a9a6d6b702598e3 (diff) | |
| download | gcc-ec0641f612862498e829fdaf040a201c0ba68762.zip gcc-ec0641f612862498e829fdaf040a201c0ba68762.tar.gz gcc-ec0641f612862498e829fdaf040a201c0ba68762.tar.bz2 | |
i386.c (override_options): Disable x87 fancy math intrinsics if -mfpmath= doesn't include 387 (default on...
* config/i386/i386.c (override_options): Disable x87 fancy math
intrinsics if -mfpmath= doesn't include 387 (default on x86_64).
From-SVN: r91267
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5f5865c..7aad684 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 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. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 77cb09f..a3d2f28 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1545,6 +1545,10 @@ override_options (void) 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) |