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| author | Uros Bizjak <uros@gcc.gnu.org> | 2009-06-19 16:22:16 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2009-06-19 16:22:16 +0200 |
| commit | dc6707b84781cf5b4d85f689500914f5a9227942 (patch) | |
| tree | c7f3ade8c5e3a25441fdd08fc75af39c939d4fb2 /gcc/builtins.c | |
| parent | 4646d048e4f5e76521bb215aad2e8bbbe6609c71 (diff) | |
| download | gcc-dc6707b84781cf5b4d85f689500914f5a9227942.zip gcc-dc6707b84781cf5b4d85f689500914f5a9227942.tar.gz gcc-dc6707b84781cf5b4d85f689500914f5a9227942.tar.bz2 | |
re PR testsuite/40491 (Revision 148663 caused extra failures)
* optabs.h (enum optab_index): Add new OTI_significand.
(significand_optab): Define corresponding macro.
* optabs.c (init_optabs): Initialize significand_optab.
* genopinit.c (optabs): Implement significand_optab using
significand?f2 patterns.
* builtins.c (expand_builtin_mathfn): Handle
BUILT_IN_SIGNIFICAND{,F,L}.
(expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* config/i386/i386.md (significandxf2, significand<mode>2): New
expanders to implement significandf, significand and significandl
built-ins as inline x87 intrinsics.
testsuite/ChangeLog:
* gcc.dg/builtins-34.c: Add significand cases.
PR testsuite/40491
* testsuite/gcc.dg/20080522-1.c: Remove testcase for real.
* testsuite/gcc.dg/20080528-1.c: Ditto.
From-SVN: r148705
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index a6d26ef..e906ef7 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -1975,6 +1975,8 @@ expand_builtin_mathfn (tree exp, rtx target, rtx subtarget) /* Else fallthrough and expand as rint. */ CASE_FLT_FN (BUILT_IN_RINT): builtin_optab = rint_optab; break; + CASE_FLT_FN (BUILT_IN_SIGNIFICAND): + builtin_optab = significand_optab; break; default: gcc_unreachable (); } @@ -6332,6 +6334,7 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode, CASE_FLT_FN (BUILT_IN_ASIN): CASE_FLT_FN (BUILT_IN_ACOS): CASE_FLT_FN (BUILT_IN_ATAN): + CASE_FLT_FN (BUILT_IN_SIGNIFICAND): /* Treat these like sqrt only if unsafe math optimizations are allowed, because of possible accuracy problems. */ if (! flag_unsafe_math_optimizations) |