diff options
| author | Paolo Bonzini <bonzini@gnu.org> | 2007-09-27 11:29:10 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2007-09-27 11:29:10 +0000 |
| commit | 3964148968ca36ed17304d0153e336d78cf0368b (patch) | |
| tree | 23a8d0eec53000f05fefd8da7b1e7706f47ec2f4 /gcc/sbitmap.h | |
| parent | 6208170481d560900fd19e3b393c746fd8c0a6e2 (diff) | |
| download | gcc-3964148968ca36ed17304d0153e336d78cf0368b.zip gcc-3964148968ca36ed17304d0153e336d78cf0368b.tar.gz gcc-3964148968ca36ed17304d0153e336d78cf0368b.tar.bz2 | |
simplify-rtx.c (comparison_result): New.
2007-09-04 Paolo Bonzini <bonzini@gnu.org>
* simplify-rtx.c (comparison_result): New.
(simplify_const_relational_operation): Use it instead of the five
"equal|op[01]ltu?" variables; consequently remove redundant "else"s.
Improve bounds-checking optimizations; remove subsumed POPCOUNT
optimizations. Extract nonzero_address_p optimizations into a
separate "if" together with optimizations where op1 is const0_rtx.
Optimize comparing an IOR with zero. Simplify op0 RELOP op0 for
floating-point arguments too when appropriate. Hoist test for ABS
outside the final switch statement.
* cse.c (fold_rtx): Don't look for an IOR equivalent of
folded_arg0 if we found a constant equivalent. Remove
transformations done in simplify-rtx.c for "op0 RELOP op0".
From-SVN: r128833
Diffstat (limited to 'gcc/sbitmap.h')
0 files changed, 0 insertions, 0 deletions