| commit | 199c981a9524ea890ecd043243571f67ad856501 | |
| author | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 8 Feb 2007 17:10:56 +0000 (8 17:10 +0000) | ||
| committer | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 8 Feb 2007 17:10:56 +0000 (8 17:10 +0000) | ||
| tree | 048a2641bea241f51fef4600e4852357f5c9e51e | treesnapshot (tar.gz zip) |
| parent | ce4a3cadf918fcff308983780f7585cc1a156a81 | commitdiff |
* simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
strip zero_extend, bswap and rotates from POCOUNT's argument.
<PARITY>: Likewise, we can strip not, bswap, sign_extend,
zero_extend and rotates from PARITY's argument.
<BSWAP>: A byte-swap followed by a byte-swap is an identity.
(simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
of an integer constant at compile-time.
* gcc.target/i386/builtin-bswap-2.c: New test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121716 138bc75d-0d04-0410-961f-82ee72b054a4
strip zero_extend, bswap and rotates from POCOUNT's argument.
<PARITY>: Likewise, we can strip not, bswap, sign_extend,
zero_extend and rotates from PARITY's argument.
<BSWAP>: A byte-swap followed by a byte-swap is an identity.
(simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
of an integer constant at compile-time.
* gcc.target/i386/builtin-bswap-2.c: New test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121716 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/simplify-rtx.c | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.target/i386/builtin-bswap-2.c | [new file with mode: 0644] | blob |