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[Bug rtl-optimization/27467] -fsee introduces spurious movs
- 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: 7 May 2006 18:24:43 -0000
- Subject: [Bug rtl-optimization/27467] -fsee introduces spurious movs
- References: <bug-27467-2744@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2006-05-07 18:24 -------
This is the diff I get on the mainline:
--- t.s 2006-05-07 11:15:36.000000000 -0700
+++ t1.s 2006-05-07 11:15:29.000000000 -0700
@@ -16,11 +16,10 @@ f37:
s8addq $1,8,$16
lda $1,33($1)
sll $1,$2,$1
- bis $31,$16,$0
+ addl $31,$16,$0
beq $17,$L4
- bis $31,$1,$0
+ addl $31,$1,$0
$L4:
- addl $31,$0,$0
ret $31,($26),1
.end f37
.ident "GCC: (GNU) 4.2.0 20060507 (experimental)"
and I see that -fsee is better.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27467