------- Comment #5 from pinskia at gcc dot gnu dot org 2006-08-28 14:37 -------
(In reply to comment #4)
> So not all gcc3 releases do so well. Are there GCC releases that optimize the
> two functions to identical code?
Yes (FSF) 3.2.3.
.globl f
.type f,@function
f:
movl 4(%esp), %eax
testl %eax, %eax
movl 12(%esp), %eax
cmovne 8(%esp), %eax
addl %eax, %eax
ret
.Lfe1:
.size f,.Lfe1-f
.p2align 4,,15
.globl f1
.type f1,@function
f1:
movl 4(%esp), %edx
movl 12(%esp), %eax
testl %edx, %edx
cmovne 8(%esp), %eax
addl %eax, %eax
ret
.Lfe2:
.size f1,.Lfe2-f1
.ident "GCC: (GNU) 3.2.3"
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28868