------- Comment #1 from pinskia at gcc dot gnu dot org 2008-08-11 01:31 -------
Hmm, this works on the trunk with -O2 -mtune=cell which means this is a
scheduling issue:
[EMAIL PROTECTED] ~]$ ~/gcc-mainline/bin/gcc -O2 -o - -S t.c
-mtune=cell
.file "t.c"
.section ".text"
.align 2
.p2align 3,,7
.globl get_and_increment1
.type get_and_increment1, @function
get_and_increment1:
lwz 9,0(3)
addi 0,9,4
stw 0,0(3)
lwz 3,0(9)
blr
.size get_and_increment1,.-get_and_increment1
.align 2
.p2align 3,,7
.globl get_and_increment2
.type get_and_increment2, @function
get_and_increment2:
lwz 9,0(3)
addi 0,9,4
stw 0,0(3)
lwz 3,0(9)
blr
.size get_and_increment2,.-get_and_increment2
.ident "GCC: (GNU) 4.4.0 20080810 (experimental) [trunk revision
138922]"
.section .note.GNU-stack,"",@progbits
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|tree-optimization |rtl-optimization
GCC host triplet|x86_64-pc-linux-gnu |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36693
