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| author | Richard Guenther <rguenther@suse.de> | 2007-09-06 16:05:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-09-06 16:05:32 +0000 |
| commit | 111f1fca4d2d4e4fabf92b39c4310a3add21f29a (patch) | |
| tree | d2016ac58e23a030401a505f77d9f7a08ae0c9d2 /gcc/builtins.c | |
| parent | 1f5a6b84ab344b601da7284a588de810c3c53451 (diff) | |
| download | gcc-111f1fca4d2d4e4fabf92b39c4310a3add21f29a.zip gcc-111f1fca4d2d4e4fabf92b39c4310a3add21f29a.tar.gz gcc-111f1fca4d2d4e4fabf92b39c4310a3add21f29a.tar.bz2 | |
re PR tree-optimization/32586 (New VN misses FRE opportunities)
2007-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function. Do tree combining
on conversion like codes.
(try_to_simplify): Call it.
* builtins.c (fold_builtin_cexp): Fold the built expressions.
* fold-const.c (fold_unary): Test result of get_callee_fndecl().
* g++.dg/tree-ssa/pr27090.C: Remove XFAILs.
* gcc.dg/tree-ssa/ssa-fre-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-5.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-4.c: Likewise, remove scan for
now obsolete simplification.
From-SVN: r128189
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 566e1cc..a0b1e2f 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -7799,13 +7799,13 @@ fold_builtin_cexp (tree arg0, tree type) icall = builtin_save_expr (icall); rcall = build_call_expr (rfn, 1, realp); rcall = builtin_save_expr (rcall); - return build2 (COMPLEX_EXPR, type, - build2 (MULT_EXPR, rtype, - rcall, - build1 (REALPART_EXPR, rtype, icall)), - build2 (MULT_EXPR, rtype, - rcall, - build1 (IMAGPART_EXPR, rtype, icall))); + return fold_build2 (COMPLEX_EXPR, type, + fold_build2 (MULT_EXPR, rtype, + rcall, + fold_build1 (REALPART_EXPR, rtype, icall)), + fold_build2 (MULT_EXPR, rtype, + rcall, + fold_build1 (IMAGPART_EXPR, rtype, icall))); } return NULL_TREE; |