gistfile1.asm

; clang++ --version
; Apple LLVM version 4.2 (clang-425.0.24) (based on LLVM 3.2svn)
; Target: x86_64-apple-darwin12.2.0
; Thread model: posix

Djb2HashNoCase(char const*):
        .cfi_startproc
## BB#0:
        pushq   %rbp
Ltmp14:
        .cfi_def_cfa_offset 16
Ltmp15:
        .cfi_offset %rbp, -16
        movq    %rsp, %rbp
Ltmp16:
        .cfi_def_cfa_register %rbp
        movb    (%rdi), %dl
        movl    $5381, %eax             ## imm = 0x1505
        testb   %dl, %dl
        je      LBB2_3
## BB#1:                                ## %.lr.ph.preheader
        incq    %rdi
        movl    $5381, %eax             ## imm = 0x1505
        movl    $-1, %r8d
        .align  4, 0x90
LBB2_2:                                 ## %.lr.ph
                                        ## =>This Inner Loop Header: Depth=1
        movzbl  %dl, %edx
        leal    -65(%rdx), %ecx
        cmpl    $25, %ecx
        movl    $0, %esi
        cmoval  %r8d, %esi
        andl    %edx, %esi
        cmpl    $26, %ecx
        movl    $0, %ecx
        sbbl    $0, %ecx
        orl     $32, %edx
        andl    %ecx, %edx
        orl     %esi, %edx
        imull   $33, %eax, %eax
        addl    %edx, %eax
        movb    (%rdi), %dl
        incq    %rdi
        testb   %dl, %dl
        jne     LBB2_2
LBB2_3:                                 ## %._crit_edge
        popq    %rbp
        ret

; g++ --version
; i686-apple-darwin11-llvm-g++-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)

Djb2HashNoCase(char const*):
Leh_func_begin3:
        pushq   %rbp
Ltmp5:
        movq    %rsp, %rbp
Ltmp6:
        movb    (%rdi), %cl
        testb   %cl, %cl
        jne     LBB3_2
        movl    $5381, %eax
        popq    %rbp
        ret
LBB3_2:
        incq    %rdi
        movl    $5381, %eax
        .align  4, 0x90
LBB3_3:
        movzbl  %cl, %ecx
        movl    %ecx, %edx
        orl     $32, %edx
        leal    -65(%rcx), %esi
        cmpl    $26, %esi
        cmovael %ecx, %edx
        imull   $33, %eax, %eax
        addl    %edx, %eax
        movb    (%rdi), %cl
        incq    %rdi
        testb   %cl, %cl
        jne     LBB3_3
        popq    %rbp
        ret