------- Comment #7 from howarth at nitro dot med dot uc dot edu 2009-09-08
03:12 -------
The diff between the test_struct_returning.c test case as compiled with -O3
-fomit-frame-pointer under r147824 vs r147829 is...
--- r147824 2009-09-07 23:11:08.000000000 -0400
+++ r147829 2009-09-07 23:10:45.000000000 -0400
@@ -73,13 +73,10 @@
.globl _f_600
_f_600:
LFB573:
- movl $0x42280000, %eax
- movl %eax, -24(%rsp)
- movl %eax, -20(%rsp)
- movl %eax, -16(%rsp)
- movl %eax, -12(%rsp)
+ movaps LC4(%rip), %xmm0
+ movaps %xmm0, -24(%rsp)
+ movq LC5(%rip), %xmm0
movq -16(%rsp), %xmm1
- movq -24(%rsp), %xmm0
ret
LFE573:
.align 4,0x90
@@ -365,7 +362,7 @@
.globl _f_101
_f_101:
LFB536:
- movsd LC4(%rip), %xmm0
+ movsd LC6(%rip), %xmm0
ret
LFE536:
.align 4,0x90
@@ -495,7 +492,7 @@
ret
LFE521:
.cstring
-LC7:
+LC9:
.ascii "failed in test %d\12\0"
.text
.align 4,0x90
@@ -541,7 +538,7 @@
.align 4,0x90
L52:
movq ___stde...@gotpcrel(%rip), %rax
- leaq LC7(%rip), %rsi
+ leaq LC9(%rip), %rsi
movq (%rax), %rdi
xorl %eax, %eax
call _fprintf
@@ -645,7 +642,7 @@
je L92
L91:
movq ___stde...@gotpcrel(%rip), %rax
- leaq LC7(%rip), %rsi
+ leaq LC9(%rip), %rsi
movq (%rax), %rdi
xorl %eax, %eax
call _fprintf
@@ -670,7 +667,7 @@
.align 4,0x90
L92:
movq _xmm_r...@gotpcrel(%rip), %rax
- movsd LC4(%rip), %xmm0
+ movsd LC6(%rip), %xmm0
ucomisd (%rax), %xmm0
jne L87
jp L87
@@ -719,7 +716,7 @@
LCFI6:
movq %r15, -8(%rsp)
LCFI7:
-# 172
"/sw/src/fink.build/gcc45-4.4.999-20090523/gcc-4.5-20090523/gcc/testsuite/gcc.target/x86_64/abi/test_struct_returning.c"
1
+# 172
"/sw/src/fink.build/gcc45-4.4.999-20090524/gcc-4.5-20090524/gcc/testsuite/gcc.target/x86_64/abi/test_struct_returning.c"
1
xor %rax, %rax
xor %rbx, %rbx
xor %rcx, %rcx
@@ -823,7 +820,7 @@
.align 4,0x90
L133:
movq ___stde...@gotpcrel(%rip), %rax
- leaq LC7(%rip), %rsi
+ leaq LC9(%rip), %rsi
movq (%rax), %rdi
xorl %eax, %eax
call _fprintf
@@ -883,7 +880,7 @@
.align 4,0x90
L99:
movq _xmm_r...@gotpcrel(%rip), %rax
- movsd LC4(%rip), %xmm0
+ movsd LC6(%rip), %xmm0
ucomisd (%rax), %xmm0
jp L119
je L138
@@ -930,7 +927,7 @@
.align 4,0x90
L139:
movq _xmm_r...@gotpcrel(%rip), %rax
- movsd LC4(%rip), %xmm0
+ movsd LC6(%rip), %xmm0
ucomisd (%rax), %xmm0
jne L117
jp L117
@@ -1927,8 +1924,8 @@
.comm _fregs,448,5
.comm _num_iregs,4,2
.comm _num_fregs,4,2
-.comm _current_test,4,2
-.comm _struct_addr,8,3
+.comm _current_test,4,4
+.comm _struct_addr,8,4
.literal4
.align 2
LC0:
@@ -1941,8 +1938,19 @@
LC3:
.long 0
.long 1078296576
- .align 3
+ .literal16
+ .align 4
LC4:
+ .long 1109917696
+ .long 1109917696
+ .long 1109917696
+ .long 1109917696
+ .literal8
+ .align 3
+LC5:
+ .quad 4767060206681587712
+ .align 3
+LC6:
.long 0
.long 1078263808
.section
__TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41288
