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re PR target/30315 (optimize unsigned-add overflow test on x86 to use cpu flags from...
authorRask Ingemann Lambertsen <rask@sygehus.dk>
Sun, 9 Sep 2007 19:21:59 +0000 (21:21 +0200)
committerRask Ingemann Lambertsen <rask@gcc.gnu.org>
Sun, 9 Sep 2007 19:21:59 +0000 (19:21 +0000)
commit921c44189aae73ef85ea7ac4712e54f667fdd4f6
tree9cf93feb394109316dfdca4d1a5926ddbe2320f6tree | snapshot
parent0098d8068657d4d1aa61585993a0a3e5ef6be2c8commit | diff
re PR target/30315 (optimize unsigned-add overflow test on x86 to use cpu flags from addl)

PR target/30315
* config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
* simplify-rtx.c (simplify_relational_operation_1): Add the
canonicalization from i386.h.
* doc/md.texi (Canonicalization of Instructions): Document it.

From-SVN: r128305
gcc/ChangeLog diff | blob | history
gcc/config/i386/i386.h diff | blob | history
gcc/doc/md.texi diff | blob | history
gcc/simplify-rtx.c diff | blob | history
Domain: System / Toolchain;