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June 27, 2017 19:36
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| The old asm: | |
| _ZN5test44main17hde37e0367608b3d5E: | |
| pushq %r15 | |
| pushq %r14 | |
| pushq %rsi | |
| pushq %rdi | |
| pushq %rbx | |
| subq $144, %rsp | |
| movl $20000000, %ecx | |
| movl $1, %edx | |
| callq __rust_allocate | |
| movq %rax, %r15 | |
| testq %r15, %r15 | |
| je .LBB1_15 | |
| movl $2, %edx | |
| movl $20000000, %r8d | |
| movq %r15, %rcx | |
| callq memset | |
| xorl %r14d, %r14d | |
| movl $1, %eax | |
| jmp .LBB1_2 | |
| .p2align 4, 0x90 | |
| .LBB1_8: | |
| movb (%r15,%rdx), %r9b | |
| movl %r9d, %edx | |
| addb $-25, %dl | |
| cmpb %bl, %dl | |
| movl $0, %edx | |
| cmoveq %rcx, %rdx | |
| addq %rdx, %r14 | |
| cmpq $39999999, %rcx | |
| ja .LBB1_2 | |
| leaq -1(%r8,%r8), %r8 | |
| negb %bl | |
| .p2align 4, 0x90 | |
| .LBB1_10: | |
| movq %rcx, %rdi | |
| shrq %rdi | |
| .p2align 4, 0x90 | |
| .LBB1_11: | |
| movq %rdi, %rdx | |
| addq %rcx, %rdx | |
| movl $20000000, %esi | |
| cmovaeq %rdx, %rsi | |
| movzbl (%r15,%rdi), %edx | |
| addb %r9b, %dl | |
| addb %bl, %dl | |
| addb $-2, %dl | |
| movb %dl, (%r15,%rdi) | |
| movq %rsi, %rdi | |
| cmpq $20000000, %rsi | |
| jb .LBB1_11 | |
| movq %r8, %rdx | |
| imulq %rcx, %rdx | |
| imulq %r10, %rcx | |
| leaq (%rdx,%rcx,2), %rcx | |
| cmpq $40000000, %rcx | |
| jb .LBB1_10 | |
| .p2align 4, 0x90 | |
| .LBB1_2: | |
| movq %rax, %r8 | |
| leaq -1(%r8,%r8), %rcx | |
| xorl %r10d, %r10d | |
| .p2align 4, 0x90 | |
| .LBB1_3: | |
| cmpq $19999999, %rax | |
| ja .LBB1_13 | |
| addq $1, %r10 | |
| addq $2, %rcx | |
| cmpb $2, (%r15,%rax) | |
| leaq 1(%rax), %rax | |
| ja .LBB1_3 | |
| leaq -1(%rax), %rdx | |
| xorl %ebx, %ebx | |
| .p2align 4, 0x90 | |
| .LBB1_6: | |
| movq %rdx, %rsi | |
| shrq %rdx | |
| addb $-1, %bl | |
| testb $1, %sil | |
| je .LBB1_6 | |
| cmpq $40000000, %rsi | |
| jb .LBB1_8 | |
| leaq panic_bounds_check_loc.2(%rip), %rcx | |
| movl $20000000, %r8d | |
| callq _ZN4core9panicking18panic_bounds_check17hc1b5ea060cf92e68E | |
| ud2 | |
| .LBB1_13: | |
| movl $20000000, %edx | |
| movl $1, %r8d | |
| movq %r15, %rcx | |
| callq __rust_deallocate | |
| movq %r14, 40(%rsp) | |
| leaq 40(%rsp), %rax | |
| movq %rax, 48(%rsp) | |
| leaq ref.4(%rip), %rax | |
| movq %rax, 56(%rsp) | |
| movabsq $1677366278943, %rax | |
| cmpq %rax, %r14 | |
| jne .LBB1_17 | |
| addq $144, %rsp | |
| popq %rbx | |
| popq %rdi | |
| popq %rsi | |
| popq %r14 | |
| popq %r15 | |
| retq | |
| .LBB1_15: | |
| callq _ZN5alloc3oom3oom17h3058f2f8bf84e7b0E | |
| ud2 | |
| .LBB1_17: | |
| leaq 48(%rsp), %rax | |
| movq %rax, 64(%rsp) | |
| leaq _ZN53_$LT$$RF$$u27$a$u20$T$u20$as$u20$core..fmt..Debug$GT$3fmt17h5359b8d7ffbfc5a0E(%rip), %rax | |
| movq %rax, 72(%rsp) | |
| leaq 56(%rsp), %rcx | |
| movq %rcx, 80(%rsp) | |
| movq %rax, 88(%rsp) | |
| leaq ref.9(%rip), %rax | |
| movq %rax, 96(%rsp) | |
| movq $3, 104(%rsp) | |
| movq $0, 112(%rsp) | |
| leaq 64(%rsp), %rax | |
| movq %rax, 128(%rsp) | |
| movq $2, 136(%rsp) | |
| leaq _ZN5test44main10_FILE_LINE17ha4ac6e59b8b9993dE(%rip), %rdx | |
| leaq 96(%rsp), %rcx | |
| callq _ZN3std9panicking15begin_panic_fmt17h86c214ca1e42d813E | |
| ud2 | |
| The new asm: | |
| _ZN5test44main17hde37e0367608b3d5E: | |
| pushq %r15 | |
| pushq %r14 | |
| pushq %r13 | |
| pushq %r12 | |
| pushq %rsi | |
| pushq %rdi | |
| pushq %rbp | |
| pushq %rbx | |
| subq $152, %rsp | |
| leaq 64(%rsp), %rcx | |
| movl $20000000, %edx | |
| movl $1, %r8d | |
| callq _ZN5alloc9allocator6Layout15from_size_align17he4ea7424a3dbcbdcE | |
| cmpq $0, 64(%rsp) | |
| je .LBB1_2 | |
| vmovups 72(%rsp), %xmm0 | |
| vmovaps %xmm0, 32(%rsp) | |
| leaq 64(%rsp), %rcx | |
| leaq 112(%rsp), %r15 | |
| leaq 32(%rsp), %r14 | |
| movq %r15, %rdx | |
| movq %r14, %r8 | |
| callq _ZN66_$LT$alloc..heap..HeapAlloc$u20$as$u20$alloc..allocator..Alloc$GT$5alloc17h177ce93396a87701E | |
| cmpq $0, 64(%rsp) | |
| jne .LBB1_8 | |
| movq 72(%rsp), %rbp | |
| movl $20000000, %r13d | |
| movl $2, %edx | |
| movl $20000000, %r8d | |
| movq %rbp, %rcx | |
| callq memset | |
| movq %rbp, 32(%rsp) | |
| vmovaps .LCPI1_0(%rip), %xmm0 | |
| vmovups %xmm0, 40(%rsp) | |
| xorl %r12d, %r12d | |
| movl $1, %r11d | |
| movl $20000000, %r8d | |
| jmp .LBB1_15 | |
| .LBB1_14: | |
| movq 32(%rsp), %rbp | |
| movq 48(%rsp), %r8 | |
| .p2align 4, 0x90 | |
| .LBB1_15: | |
| movq %r11, %r9 | |
| leaq -1(%r9,%r9), %rcx | |
| xorl %edi, %edi | |
| movq %r9, %rdx | |
| .p2align 4, 0x90 | |
| .LBB1_16: | |
| cmpq $20000000, %rdx | |
| jae .LBB1_17 | |
| cmpq %rdx, %r8 | |
| jbe .LBB1_40 | |
| leaq 1(%rdx), %r11 | |
| addq $1, %rdi | |
| addq $2, %rcx | |
| cmpb $2, (%rbp,%rdx) | |
| movq %r11, %rdx | |
| ja .LBB1_16 | |
| leaq -1(%r11), %rdx | |
| xorl %esi, %esi | |
| .p2align 4, 0x90 | |
| .LBB1_29: | |
| movl %edx, %ebx | |
| shrq %rdx | |
| addb $-1, %sil | |
| testb $1, %bl | |
| je .LBB1_29 | |
| cmpq %rdx, %r8 | |
| jbe .LBB1_40 | |
| movb (%rbp,%rdx), %r10b | |
| movl %r10d, %edx | |
| addb $-25, %dl | |
| cmpb %sil, %dl | |
| movl $0, %edx | |
| cmoveq %rcx, %rdx | |
| addq %rdx, %r12 | |
| cmpq $39999999, %rcx | |
| ja .LBB1_15 | |
| leaq -1(%r9,%r9), %r9 | |
| negb %sil | |
| .p2align 4, 0x90 | |
| .LBB1_33: | |
| movq %rcx, %rdx | |
| shrq %rdx | |
| .p2align 4, 0x90 | |
| .LBB1_34: | |
| movq %rdx, %rbp | |
| addq %rcx, %rbp | |
| setb %bl | |
| movq 48(%rsp), %r8 | |
| cmpq %rdx, %r8 | |
| jbe .LBB1_41 | |
| movq 32(%rsp), %rax | |
| testb %bl, %bl | |
| cmovneq %r13, %rbp | |
| movzbl (%rax,%rdx), %ebx | |
| addb %r10b, %bl | |
| addb %sil, %bl | |
| addb $-2, %bl | |
| movb %bl, (%rax,%rdx) | |
| movq %rbp, %rdx | |
| cmpq $20000000, %rbp | |
| jb .LBB1_34 | |
| movq %r9, %rdx | |
| imulq %rcx, %rdx | |
| imulq %rdi, %rcx | |
| leaq (%rdx,%rcx,2), %rcx | |
| cmpq $40000000, %rcx | |
| jb .LBB1_33 | |
| jmp .LBB1_14 | |
| .LBB1_17: | |
| movq 40(%rsp), %rsi | |
| testq %rsi, %rsi | |
| je .LBB1_38 | |
| leaq 64(%rsp), %rcx | |
| movl $1, %edx | |
| movl $1, %r8d | |
| callq _ZN5alloc9allocator6Layout15from_size_align17he4ea7424a3dbcbdcE | |
| cmpq $0, 64(%rsp) | |
| je .LBB1_19 | |
| vmovups 72(%rsp), %xmm0 | |
| vmovaps %xmm0, 112(%rsp) | |
| leaq 64(%rsp), %rcx | |
| leaq 112(%rsp), %rdx | |
| movq %rsi, %r8 | |
| callq _ZN5alloc9allocator6Layout6repeat17h9ab668c62bc63d7eE | |
| cmpq $0, 64(%rsp) | |
| je .LBB1_23 | |
| vmovups 72(%rsp), %xmm0 | |
| leaq 48(%rsp), %rcx | |
| vmovaps %xmm0, 64(%rsp) | |
| leaq 64(%rsp), %r8 | |
| movq %rbp, %rdx | |
| callq _ZN66_$LT$alloc..heap..HeapAlloc$u20$as$u20$alloc..allocator..Alloc$GT$7dealloc17h25a3b92034540e3dE | |
| .LBB1_38: | |
| movq %r12, 136(%rsp) | |
| leaq 136(%rsp), %rax | |
| movq %rax, 144(%rsp) | |
| leaq ref.4(%rip), %rax | |
| movq %rax, 112(%rsp) | |
| movabsq $1677366278943, %rax | |
| cmpq %rax, %r12 | |
| jne .LBB1_42 | |
| addq $152, %rsp | |
| popq %rbx | |
| popq %rbp | |
| popq %rdi | |
| popq %rsi | |
| popq %r12 | |
| popq %r13 | |
| popq %r14 | |
| popq %r15 | |
| retq | |
| .LBB1_40: | |
| leaq panic_bounds_check_loc.2(%rip), %rcx | |
| callq _ZN4core9panicking18panic_bounds_check17hc94bb2d7d20ff74cE | |
| ud2 | |
| .LBB1_41: | |
| leaq panic_bounds_check_loc.3(%rip), %rcx | |
| callq _ZN4core9panicking18panic_bounds_check17hc94bb2d7d20ff74cE | |
| ud2 | |
| .LBB1_2: | |
| .Ltmp12: | |
| leaq _ZN38_$LT$core..option..Option$LT$T$GT$$GT$6unwrap14_MSG_FILE_LINE17hc13aed2dd4121e3bE(%rip), %rcx | |
| callq _ZN4core9panicking5panic17hc4bc423e36a079b2E | |
| .Ltmp13: | |
| ud2 | |
| .LBB1_8: | |
| ud2 | |
| ud2 | |
| .LBB1_42: | |
| leaq 144(%rsp), %rax | |
| movq %rax, 32(%rsp) | |
| leaq _ZN53_$LT$$RF$$u27$a$u20$T$u20$as$u20$core..fmt..Debug$GT$3fmt17ha6ed145788af8ef5E(%rip), %rax | |
| movq %rax, 40(%rsp) | |
| movq %r15, 48(%rsp) | |
| movq %rax, 56(%rsp) | |
| leaq ref.9(%rip), %rax | |
| movq %rax, 64(%rsp) | |
| movq $3, 72(%rsp) | |
| movq $0, 80(%rsp) | |
| movq %r14, 96(%rsp) | |
| movq $2, 104(%rsp) | |
| leaq _ZN5test44main10_FILE_LINE17ha4ac6e59b8b9993dE(%rip), %rdx | |
| leaq 64(%rsp), %rcx | |
| callq _ZN3std9panicking15begin_panic_fmt17hb8cee25661fb7188E | |
| ud2 | |
| .LBB1_19: | |
| leaq _ZN38_$LT$core..option..Option$LT$T$GT$$GT$6unwrap14_MSG_FILE_LINE17hc13aed2dd4121e3bE(%rip), %rcx | |
| callq _ZN4core9panicking5panic17hc4bc423e36a079b2E | |
| ud2 | |
| .LBB1_23: | |
| leaq _ZN38_$LT$core..option..Option$LT$T$GT$$GT$6unwrap14_MSG_FILE_LINE17hc13aed2dd4121e3bE(%rip), %rcx | |
| callq _ZN4core9panicking5panic17hc4bc423e36a079b2E | |
| ud2 | |
| .LBB1_25: | |
| jmp .LBB1_10 | |
| .LBB1_21: | |
| jmp .LBB1_10 | |
| .LBB1_4: | |
| movq %rax, %rcx | |
| callq rust_eh_unwind_resume | |
| ud2 | |
| .LBB1_11: | |
| jmp .LBB1_10 | |
| .LBB1_12: | |
| jmp .LBB1_10 | |
| .LBB1_9: | |
| .LBB1_10: | |
| movq %rax, %rcx | |
| callq rust_eh_unwind_resume | |
| ud2 |
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