Created
September 25, 2014 21:15
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Objdump of different compilers for constant_division.c
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| GCC 4.8.1 | |
| 4019f0: 66 0f 6f 00 movdqa (%rax),%xmm0 | |
| 4019f4: 48 83 c0 10 add $0x10,%rax | |
| 4019f8: 48 39 c5 cmp %rax,%rbp | |
| 4019fb: 66 0f 6f c8 movdqa %xmm0,%xmm1 | |
| 4019ff: 66 0f 6f e0 movdqa %xmm0,%xmm4 | |
| 401a03: 66 0f 62 c8 punpckldq %xmm0,%xmm1 | |
| 401a07: 66 0f 6a e0 punpckhdq %xmm0,%xmm4 | |
| 401a0b: 66 0f f4 cb pmuludq %xmm3,%xmm1 | |
| 401a0f: 66 0f f4 e3 pmuludq %xmm3,%xmm4 | |
| 401a13: 0f c6 cc dd shufps $0xdd,%xmm4,%xmm1 | |
| 401a17: 66 0f fa c1 psubd %xmm1,%xmm0 | |
| 401a1b: 66 0f 72 d0 01 psrld $0x1,%xmm0 | |
| 401a20: 66 0f fe c1 paddd %xmm1,%xmm0 | |
| 401a24: 66 0f 72 d0 02 psrld $0x2,%xmm0 | |
| 401a29: 66 0f fe d0 paddd %xmm0,%xmm2 | |
| 401a2d: 75 c1 jne 4019f0 <main+0xb0> | |
| ICC 14.0.3 | |
| 4020a1: b8 25 49 92 24 mov $0x24924925,%eax | |
| 4020a6: 8b 5c 8c 20 mov 0x20(%rsp,%rcx,4),%ebx | |
| 4020aa: 48 ff c1 inc %rcx | |
| 4020ad: f7 e3 mul %ebx | |
| 4020af: 2b da sub %edx,%ebx | |
| 4020b1: d1 eb shr %ebx | |
| 4020b3: 03 da add %edx,%ebx | |
| 4020b5: c1 eb 02 shr $0x2,%ebx | |
| 4020b8: 44 03 fb add %ebx,%r15d | |
| 4020bb: 48 81 f9 40 42 0f 00 cmp $0xf4240,%rcx | |
| 4020c2: 7c dd jl 4020a1 <main+0xa1> | |
| Clang 3.4.1 | |
| 401b20: 66 42 0f 6f 54 84 20 movdqa 0x20(%rsp,%r8,4),%xmm2 | |
| 401b27: 66 0f 70 c2 03 pshufd $0x3,%xmm2,%xmm0 | |
| 401b2c: 66 41 0f 7e c7 movd %xmm0,%r15d | |
| 401b31: 49 69 cf 25 49 92 24 imul $0x24924925,%r15,%rcx | |
| 401b38: 66 41 0f 7e d2 movd %xmm2,%r10d | |
| 401b3d: 4d 69 ca 25 49 92 24 imul $0x24924925,%r10,%r9 | |
| 401b44: 48 c1 e9 20 shr $0x20,%rcx | |
| 401b48: 42 0f 28 4c 84 10 movaps 0x10(%rsp,%r8,4),%xmm1 | |
| 401b4e: 49 83 c0 08 add $0x8,%r8 | |
| 401b52: 0f 28 c1 movaps %xmm1,%xmm0 | |
| 401b55: 0f 12 c0 movhlps %xmm0,%xmm0 | |
| 401b58: 41 29 cf sub %ecx,%r15d | |
| 401b5b: 66 0f 70 da 01 pshufd $0x1,%xmm2,%xmm3 | |
| 401b60: 49 c1 e9 20 shr $0x20,%r9 | |
| 401b58: 41 29 cf sub %ecx,%r15d | |
| 401b5b: 66 0f 70 da 01 pshufd $0x1,%xmm2,%xmm3 | |
| 401b60: 49 c1 e9 20 shr $0x20,%r9 | |
| 401b64: 0f 12 d2 movhlps %xmm2,%xmm2 | |
| 401b67: 66 41 0f 7e d5 movd %xmm2,%r13d | |
| 401b6c: 4d 69 dd 25 49 92 24 imul $0x24924925,%r13,%r11 | |
| 401b73: 49 c1 eb 20 shr $0x20,%r11 | |
| 401b77: 66 0f 7e df movd %xmm3,%edi | |
| 401b7b: 48 69 d7 25 49 92 24 imul $0x24924925,%rdi,%rdx | |
| 401b82: 48 c1 ea 20 shr $0x20,%rdx | |
| 401b86: 41 d1 ef shr %r15d | |
| 401b89: 29 d7 sub %edx,%edi | |
| 401b8b: 45 29 ca sub %r9d,%r10d | |
| 401b8e: 45 29 dd sub %r11d,%r13d | |
| 401b91: 66 0f 70 d1 03 pshufd $0x3,%xmm1,%xmm2 | |
| 401b96: 66 0f 7e d3 movd %xmm2,%ebx | |
| 401b9a: 66 0f 70 d1 01 pshufd $0x1,%xmm1,%xmm2 | |
| 401b9f: 4c 69 f3 25 49 92 24 imul $0x24924925,%rbx,%r14 | |
| 401ba6: 49 c1 ee 20 shr $0x20,%r14 | |
| 401baa: 41 d1 ed shr %r13d | |
| 401bad: 41 d1 ea shr %r10d | |
| 401bb0: d1 ef shr %edi | |
| 401bb2: 44 29 f3 sub %r14d,%ebx | |
| 401bb5: 66 0f 7e d0 movd %xmm2,%eax | |
| 401bb9: 41 01 cf add %ecx,%r15d | |
| 401bbc: 4c 69 e0 25 49 92 24 imul $0x24924925,%rax,%r12 | |
| 401bc3: 49 c1 ec 20 shr $0x20,%r12 | |
| 401bc7: 44 29 e0 sub %r12d,%eax | |
| 401bca: d1 e8 shr %eax | |
| 401bcc: d1 eb shr %ebx | |
| 401bce: 01 d7 add %edx,%edi | |
| 401bd0: 66 0f 7e c9 movd %xmm1,%ecx | |
| 401bd4: 45 01 ca add %r9d,%r10d | |
| 401bd7: 45 01 dd add %r11d,%r13d | |
| 401bda: 48 69 f1 25 49 92 24 imul $0x24924925,%rcx,%rsi | |
| 401be1: 48 c1 ee 20 shr $0x20,%rsi | |
| 401be5: 29 f1 sub %esi,%ecx | |
| 401be7: d1 e9 shr %ecx | |
| 401be9: 41 c1 ed 02 shr $0x2,%r13d | |
| 401bed: 41 c1 ea 02 shr $0x2,%r10d | |
| 401bf1: c1 ef 02 shr $0x2,%edi | |
| 401bf4: 41 c1 ef 02 shr $0x2,%r15d | |
| 401bf8: 66 0f 7e c2 movd %xmm0,%edx | |
| 401bfc: 44 01 f3 add %r14d,%ebx | |
| 401bff: 44 01 e0 add %r12d,%eax | |
| 401c02: 01 f1 add %esi,%ecx | |
| 401c04: 48 69 f2 25 49 92 24 imul $0x24924925,%rdx,%rsi | |
| 401c0b: 48 c1 ee 20 shr $0x20,%rsi | |
| 401c0f: 29 f2 sub %esi,%edx | |
| 401c11: d1 ea shr %edx | |
| 401c13: 01 f2 add %esi,%edx | |
| 401c15: c1 ea 02 shr $0x2,%edx | |
| 401c18: c1 e9 02 shr $0x2,%ecx | |
| 401c1b: c1 e8 02 shr $0x2,%eax | |
| 401c1e: c1 eb 02 shr $0x2,%ebx | |
| 401c21: 49 81 f8 44 42 0f 00 cmp $0xf4244,%r8 | |
| 401c28: 66 41 0f 6e cf movd %r15d,%xmm1 | |
| 401c2d: 66 0f 6e c7 movd %edi,%xmm0 | |
| 401c31: 66 0f 62 c1 punpckldq %xmm1,%xmm0 | |
| 401c35: 66 41 0f 6e ca movd %r10d,%xmm1 | |
| 401c3a: 66 41 0f 6e d5 movd %r13d,%xmm2 | |
| 401c3f: 66 0f 62 ca punpckldq %xmm2,%xmm1 | |
| 401c43: 66 0f 62 c8 punpckldq %xmm0,%xmm1 | |
| 401c47: 66 0f fe e1 paddd %xmm1,%xmm4 | |
| 401c4b: 66 0f 6e cb movd %ebx,%xmm1 | |
| 401c4f: 66 0f 6e c0 movd %eax,%xmm0 | |
| 401c53: 66 0f 62 c1 punpckldq %xmm1,%xmm0 | |
| 401c57: 66 0f 6e c9 movd %ecx,%xmm1 | |
| 401c5b: 66 0f 6e d2 movd %edx,%xmm2 | |
| 401c5f: 66 0f 62 ca punpckldq %xmm2,%xmm1 | |
| 401c63: 66 0f 62 c8 punpckldq %xmm0,%xmm1 | |
| 401c67: 66 0f fe e9 paddd %xmm1,%xmm5 | |
| 401c6b: 0f 85 af fe ff ff jne 401b20 <main+0xa0> |
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