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| author | Richard Guenther <rguenther@suse.de> | 2009-12-11 14:49:35 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-12-11 14:49:35 +0000 |
| commit | 1ab538934532ccff71655a8bb8f63c1655dcfa36 (patch) | |
| tree | f44e0ab3061c007ab3fa2f025f4e7d82e834bf92 /gcc | |
| parent | dad027154e8fff4ccc35940dbd60d4cbc6575aad (diff) | |
| download | gcc-1ab538934532ccff71655a8bb8f63c1655dcfa36.zip gcc-1ab538934532ccff71655a8bb8f63c1655dcfa36.tar.gz gcc-1ab538934532ccff71655a8bb8f63c1655dcfa36.tar.bz2 | |
re PR lto/41915 (FAIL: gcc.dg/torture/builtin-math-7.c -O2 -flto execution test)
2009-12-11 Richard Guenther <rguenther@suse.de>
PR lto/41915
* lto-lang.c (lto_init_options): Initialize flag_complex_method
to the C99 default. Do not set flag_unit_at_a_time.
From-SVN: r155164
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/lto/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/lto/lto-lang.c | 8 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog index 7e0a0d4..a7c4b3b 100644 --- a/gcc/lto/ChangeLog +++ b/gcc/lto/ChangeLog @@ -1,3 +1,9 @@ +2009-12-11 Richard Guenther <rguenther@suse.de> + + PR lto/41915 + * lto-lang.c (lto_init_options): Initialize flag_complex_method + to the C99 default. Do not set flag_unit_at_a_time. + 2009-11-28 Jakub Jelinek <jakub@redhat.com> * lto-lang.c (handle_nonnull_attribute): Remove unused attr_arg_num diff --git a/gcc/lto/lto-lang.c b/gcc/lto/lto-lang.c index 0caa318..4c187b5 100644 --- a/gcc/lto/lto-lang.c +++ b/gcc/lto/lto-lang.c @@ -600,9 +600,11 @@ static unsigned int lto_init_options (unsigned int argc ATTRIBUTE_UNUSED, const char **argv ATTRIBUTE_UNUSED) { - /* Always operate in unit-at-time mode so that we can defer - decisions about what to output. */ - flag_unit_at_a_time = 1; + /* By default, C99-like requirements for complex multiply and divide. + ??? Until the complex method is encoded in the IL this is the only + safe choice. This will pessimize Fortran code with LTO unless + people specify a complex method manually or use -ffast-math. */ + flag_complex_method = 2; return CL_LTO; } |