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[Bug rtl-optimization/18560] better optimalization of EOR/MOV block.
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Nov 2004 14:50:55 -0000
- Subject: [Bug rtl-optimization/18560] better optimalization of EOR/MOV block.
- References: <20041119081318.18560.pluto@pld-linux.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-19 14:50 -------
Confirmed, the mainline produces better code already:
mov r3, r0
eor r0, r0, r0, ror #16
bic r0, r0, #16711680
mov r0, r0, lsr #8
eor r0, r0, r3, ror #8
@ lr needed for prologue
bx lr
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|minor |enhancement
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
GCC build triplet|pentium3-pld-linux |
GCC host triplet|pentium3-pld-linux |
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2004-11-19 14:50:54
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18560