search for: lbb3_2

Displaying 2 results from an estimated 2 matches for "lbb3_2".

Did you mean: lbb0_2
2018 Nov 20
2
A pattern for portable __builtin_add_overflow()
...k = *s > b; return (cond & !check) | (!cond & check); } Assembly: saddo_native: # @saddo_native xor eax, eax add edi, esi seto al mov dword ptr [rdx], edi ret saddo_portable: # @saddo_portable lea eax, [rsi + rdi] mov dword ptr [rdx], eax cmp eax, esi setle al setg cl test edi, edi jg .LBB3_2 mov eax, ecx .LBB3_2: movzx eax, al ret saddo_portable2: # @saddo_portable2 lea eax, [rsi + rdi] mov dword ptr [rdx], eax test edi, edi setg cl cmp eax, esi setg al xor al, cl movzx eax, al ret Do you know the trick to force the compiler to use the seto instruction? I also noticed that the trans...
2016 Apr 04
2
How to call an (x86) cleanup/catchpad funclet
...: Catch: "?catch$3@?0?m3 at 4HA": LBB4_3: # %BasicBlock26 pushl %ebp pushl %eax addl $12, %ebp movl %esp, -28(%ebp) movl $LBB4_5, %eax addl $4, %esp popl %ebp retl # CATCHRET cleanup: "?dtor$2@?0?m2 at 4HA": LBB3_2: pushl %ebp subl $8, %esp addl $12, %ebp movl %ebp, %eax movl %esp, %ecx movl %eax, 4(%ecx) movl $1, (%ecx) calll m2$Fin addl $8, %esp popl %ebp retl # CLEANUPRET What do I pass to these to get a valid frame on the other end? The cleanup one calls the finall...