GCC Bugzilla – Attachment 5520 Details for
Bug 13685
Building simple test application with -march=pentium3 -Os gives SIGSEGV (unaligned sse instruction)
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Assembly output
matrix.s (text/plain), 1.47 KB, created by
Roger Larsson
on 2004-01-19 11:43:08 UTC
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Description:
Assembly output
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Creator:
Roger Larsson
Created:
2004-01-19 11:43:08 UTC
Size:
1.47 KB
patch
obsolete
> .file "matrix.cpp" > .text > .align 2 >.globl _Z6rotatef > .type _Z6rotatef, @function >_Z6rotatef: >.LFB4: > pushl %ebp # 16 *pushsi2 [length = 1] >.LCFI0: > movl %esp, %ebp # 17 *movsi_1/1 [length = 2] >.LCFI1: > popl %ebp # 20 popsi1 [length = 1] > ret # 21 return_internal [length = 1] >.LFE4: > .size _Z6rotatef, .-_Z6rotatef > .section .rodata.cst16,"aM",@progbits,16 > .align 16 >.LC0: > .long -2147483648 > .long 0 > .long 0 > .long 0 > .text > .align 2 >.globl main > .type main, @function >main: >.LFB6: > pushl %ebp # 76 *pushsi2 [length = 1] >.LCFI2: > movl %esp, %ebp # 77 *movsi_1/1 [length = 2] >.LCFI3: > pushl %ebx # 78 *pushsi2 [length = 1] >.LCFI4: > subl $36, %esp # 79 *pro_epilogue_adjust_stack_1/1 [length = 3] >.LCFI5: > andl $-16, %esp # 5 *andsi_1/1 [length = 3] > cvtsi2ss %eax, %xmm0 # 25 *floatsisf2_sse/1 [length = 4] > movss .LC0, %xmm1 # 71 sse_loadss_1 [length = 8] > movaps %xmm1, -24(%ebp) # 73 movv4sf_internal/3 [length = 4] > xorps %xmm1, %xmm0 # 74 *sse_xorsf3 [length = 3] > movss %xmm0, (%esp) # 31 *movsf_1/9 [length = 5] > call _Z6rotatef # 32 *call_0 [length = 5] > cvtsi2ss %ebx, %xmm0 # 44 *floatsisf2_sse/1 [length = 4] > xorps -24(%ebp), %xmm0 # 75 *sse_xorsf3 [length = 4] > movss %xmm0, (%esp) # 50 *movsf_1/9 [length = 5] > call _Z6rotatef # 51 *call_0 [length = 5] > movl $0, %eax # 62 *movsi_1/1 [length = 5] > movl -4(%ebp), %ebx # 82 *movsi_1/1 [length = 3] > leave # 83 leave [length = 1] > ret # 84 return_internal [length = 1] >.LFE6: > .size main, .-main > .ident "GCC: (GNU) 3.3.1 (SuSE Linux)"
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