------- Comment #1 from hjl dot tools at gmail dot com 2010-02-25 14:53 -------
Starting program: /export/build/gnu/gcc-avx/build-x86_64-linux/prev-gcc/a.out
Breakpoint 1, 0x0000003b55c33da0 in abort () from /lib64/libc.so.6
(gdb) f 1
#1 0x0000000000400552 in main () at /tmp/x.c:29
29 abort ();
(gdb) p b
$6 = {s = {0, 0, 0, 0}, v = 0x600920}
(gdb) p c
$7 = {s = {4, 1, 2, 3}, v = 0x600930}
(gdb) disass
Dump of assembler code for function main:
0x00000000004004a4 <+0>: sub $0x8,%rsp
0x00000000004004a8 <+4>: movl $0x0,0x20044e(%rip) # 0x600900
<i>
0x00000000004004b2 <+14>: movl $0x1,0x200448(%rip) # 0x600904
<i+4>
0x00000000004004bc <+24>: movl $0x2,0x200442(%rip) # 0x600908
<i+8>
0x00000000004004c6 <+34>: movl $0x3,0x20043c(%rip) # 0x60090c
<i+12>
0x00000000004004d0 <+44>: movl $0x4,0x200436(%rip) # 0x600910
<i+16>
0x00000000004004da <+54>: movl $0x5,0x200430(%rip) # 0x600914
<i+20>
0x00000000004004e4 <+64>: movl $0x6,0x20042a(%rip) # 0x600918
<i+24>
0x00000000004004ee <+74>: movl $0x7,0x200424(%rip) # 0x60091c
<i+28>
0x00000000004004f8 <+84>: vpxor %xmm0,%xmm0,%xmm0
0x00000000004004fc <+88>: vpblendw $0x3,%xmm0,%xmm0,%xmm0
0x0000000000400502 <+94>: vmovdqa %xmm0,0x200416(%rip) # 0x600920
<b>
0x000000000040050a <+102>: movl $0x4,0x20041c(%rip) # 0x600930
<c>---Type <return> to continue, or q <return> to quit---
0x0000000000400514 <+112>: movl $0x1,0x200416(%rip) # 0x600934
<c+4>
0x000000000040051e <+122>: movl $0x2,0x200410(%rip) # 0x600938
<c+8>
0x0000000000400528 <+132>: movl $0x3,0x20040a(%rip) # 0x60093c
<c+12>
0x0000000000400532 <+142>: mov $0x600920,%esi
0x0000000000400537 <+147>: mov $0x600930,%edi
0x000000000040053c <+152>: mov $0x10,%ecx
0x0000000000400541 <+157>: repz cmpsb %es:(%rdi),%ds:(%rsi)
0x0000000000400543 <+159>: seta %dl
0x0000000000400546 <+162>: setb %al
0x0000000000400549 <+165>: cmp %al,%dl
0x000000000040054b <+167>: je 0x400552 <main+174>
0x000000000040054d <+169>: callq 0x4003a0 <ab...@plt>
=> 0x0000000000400552 <+174>: mov $0x0,%eax
0x0000000000400557 <+179>: add $0x8,%rsp
0x000000000040055b <+183>: retq
End of assembler dump.
(gdb)
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43175
