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[LLVMdev] trunk's optimizer generates slower code than 3.5
2015 Feb 13
2
[LLVMdev] trunk's optimizer generates slower code than 3.5
...ader add rsi, rax sar rsi, 20h ; size_t mov edi, 4 ; size_t call _calloc lea edx, [r15-1] movsxd r8, edx mov ecx, r15d add ecx, 0FFFFFFFEh js loc_100000DFA test r15d, r15d mov r11d, [rax+r8*4] jle loc_100000EAE mov ecx, r15d add ecx, 0FFFFFFFEh mov [rsp+48h+var_34], ecx movsxd rcx...
[LLVMdev] trunk's optimizer generates slower code than 3.5
2015 Feb 14
2
[LLVMdev] trunk's optimizer generates slower code than 3.5
...sar rsi, 20h ; size_t >> mov edi, 4 ; size_t >> call _calloc >> lea edx, [r15-1] >> movsxd r8, edx >> mov ecx, r15d >> add ecx, 0FFFFFFFEh >> js loc_100000DFA >> test r15d, r15d >> mov r11d, [rax+r8*4] >> jle loc_100000EAE >> mov ecx, r15d >> add ecx, 0FFFFFFFEh >>...
[LLVMdev] trunk's optimizer generates slower code than 3.5
2015 Feb 14
2
[LLVMdev] trunk's optimizer generates slower code than 3.5
...; mov edi, 4 ; size_t >>>> call _calloc >>>> lea edx, [r15-1] >>>> movsxd r8, edx >>>> mov ecx, r15d >>>> add ecx, 0FFFFFFFEh >>>> js loc_100000DFA >>>> test r15d, r15d >>>> mov r11d, [rax+r8*4] >>>> jle loc_100000EAE >>>> mov ecx, r15d >>>>...
[LLVMdev] Strange behaviour with x86-64 windows, bad call instruction address
2012 Feb 14
0
[LLVMdev] Strange behaviour with x86-64 windows, bad call instruction address
...resses less than a 32 bit value but the one that is failing has a 64 bit address, as indicated in the snippet below: 000007FFFFC511D7 pop rbp 000007FFFFC511D8 ret 000007FFFFC511D9 sub rsp,20h 000007FFFFC511DD mov rcx,qword ptr [rbp-70h] 000007FFFFC511E1 mov edx,0FFFFFFFEh 000007FFFFC511E6 xor r8d,r8d 000007FFFFC511E9 call rsi 000007FFFFC511EB add rsp,20h 000007FFFFC511EF test al,1 000007FFFFC511F2 je 000007FFFFC511C3 000007FFFFC511F8 sub rsp,20h 000007FFFFC511FC mov rax,7FFFFC30030h 000007FFFFC51206 mov...
[LLVMdev] Strange behaviour with x86-64 windows, bad call instruction address
2012 Feb 21
0
[LLVMdev] Strange behaviour with x86-64 windows, bad call instruction address
...ses less than a 32 bit value but t! he one that is failing has a 64 bit address, as indicated in the snippet below: 000007FFFFC511D7 pop rbp 000007FFFFC511D8 ret 000007FFFFC511D9 sub rsp,20h 000007FFFFC511DD mov rcx,qword ptr [rbp-70h] 000007FFFFC511E1 mov edx,0FFFFFFFEh 000007FFFFC511E6 xor r8d,r8d 000007FFFFC511E9 call rsi 000007FFFFC511EB add rsp,20h 000007FFFFC511EF test al,1 000007FFFFC511F2 je 000007FFFFC511C3 000007FFFFC511F8 sub rsp,20h 000007FFFFC511FC mov rax,7FFFFC30030h 000007FFFFC51206 mov...