projects / gcc.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 64ed86c) | patch
dojump.c (do_jump): If the expression being compared against zero...
authorRoger Sayle <roger@eyesopen.com>
Fri, 5 Dec 2003 14:06:46 +0000 (14:06 +0000)
committerRoger Sayle <sayle@gcc.gnu.org>
Fri, 5 Dec 2003 14:06:46 +0000 (14:06 +0000)
commit2a67ff5e9e1a909a2c4a056920abdfadbbe293dd
tree7b626e91f813aeaea1a249d43406dd0cb5930b3etree
parent64ed86c71833cb21c29cee783cde01c5e1a3d2f4commit | diff
dojump.c (do_jump): If the expression being compared against zero...

* dojump.c (do_jump): If the expression being compared against
zero, is the subreg of a promoted variable, perform the comparison
in the promoted mode.
* simplify-rtx.c (simplify_unary_operation): Optimize sign and
zero-extensions of subregs of promoted variables where the
extension is identical to that used to promote the variable.

From-SVN: r74332
gcc/ChangeLog diff | blob | history
gcc/dojump.c diff | blob | history
gcc/simplify-rtx.c diff | blob | history