[Bug target/22432] [4.0/4.1 Regression] Wrong code generation using MMX intrinsics on amd64

["pluto at agmk dot net" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #4 from pluto at agmk dot net  2005-10-27 16:00 -------
With my patched gcc-4.1.0-20051019 the testcase works.
Applied patches: PR7776, PR20297, PR22429, PR22533, PR23948,
PR19505, PR20606, PR24069, PR24419, PR24172, PR24295, PR20928

[builder2@estel BUILD]$ gcc -Wall -O2 pr22432.c -S -march=x86-64
[builder2@estel BUILD]$ cat pr22432.s
        .file   "pr22432.c"
        .section        .rodata.str1.1,"aMS",@progbits,1
.LC0:   .string "pr22432.c"
.LC1:   .string "a == 0xffffffff"
        .section        .rodata.cst8,"aM",@progbits,8
        .align 8
.LC2:   .long   269488144
        .long   0
        .align 8
.LC3:   .long   -1
        .long   0
        .text
        .p2align 4,,15
.globl main
        .type   main, @function
main:   pushl   %ebp
        movl    %esp, %ebp
        subl    $56, %esp
        leal    -4(%ebp), %eax
        andl    $-16, %esp
        subl    $16, %esp
        cmpl    %ebp, %eax
        jae     .L9
        movl    $0, -24(%ebp)
        movl    $0, -20(%ebp)
        movq    -24(%ebp), %mm2
        movq    .LC2, %mm0
        movq    .LC3, %mm1
        punpcklbw       %mm2, %mm0
        punpcklbw       %mm2, %mm1
        paddw   %mm1, %mm0
        packuswb        %mm2, %mm0
        movd    %mm0, -28(%ebp)
        emms
        cmpl    $-1, -28(%ebp)
        jne     .L10
        leave
        xorl    %eax, %eax
        ret
.L9:    emms
        leave
        xorl    %eax, %eax
        ret
.L10:   movl    $__PRETTY_FUNCTION__.2544, 12(%esp)
        movl    $30, 8(%esp)
        movl    $.LC0, 4(%esp)
        movl    $.LC1, (%esp)
        call    __assert_fail
        .size   main, .-main
        .section        .rodata
        .type   __PRETTY_FUNCTION__.2544, @object
        .size   __PRETTY_FUNCTION__.2544, 5
__PRETTY_FUNCTION__.2544:
        .string "main"
        .ident  "GCC: (GNU) 4.1.0 20051019 (experimental)"
        .section        .note.GNU-stack,"",@progbits

[builder2@estel BUILD]$ gcc -Wall -O2 pr22432.c -save-temps -march=x86-64
[builder2@estel BUILD]$ ./a.out ; echo $?
0


-- 

pluto at agmk dot net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pluto at agmk dot net


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22432