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[Bug rtl-optimization/37512] Useless instructions in member call by pointer
- 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: 14 Sep 2008 02:01:52 -0000
- Subject: [Bug rtl-optimization/37512] Useless instructions in member call by pointer
- References: <bug-37512-8546@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from pinskia at gcc dot gnu dot org 2008-09-14 02:01 -------
Fixed on the trunk by the new register allocator (IRA):
__Z6callfnP1AMS_FvvE:
LFB0:
pushq %rbp
LCFI0:
testb $1, %sil
movq %rsi, %r11
movq %rsp, %rbp
LCFI1:
movq %rsi, -16(%rbp)
movq %rdx, -8(%rbp)
je L3
movq (%rdi,%rdx), %rax
movq -1(%rsi,%rax), %r11
L3:
addq %rdx, %rdi
leave
jmp *%r11
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Component|tree-optimization |rtl-optimization
GCC host triplet|x86_64-pc-gnu |
GCC target triplet| |x86_64-pc-gnu
Keywords| |missed-optimization, ra
Resolution| |FIXED
Target Milestone|--- |4.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37512