[Bug target/119473] [15 Regression] __builtin_ia32_vaesdec_v32qi() emits wrong base register with -mvaes -O2 -mapxf -m64

[lin1.hu at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119473

--- Comment #1 from Hu Lin <lin1.hu at intel dot com> ---
Created attachment 60888
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60888&action=edit
Untested fix.

I add set_addr "isa" "avx, vaes_avx512vl" like aesenc pattern.

current output like:

        .file   "pr119473.c"
        .text
        .p2align 4
        .globl  foo
        .type   foo, @function
foo:
.LFB0:
        .cfi_startproc
        vmovdqa (%rcx), %ymm0
        movq    %r26, %rax
        vaesdec (%rax), %ymm0, %ymm0
        vmovdqa %ymm0, (%rdx)
        vmovdqa (%rcx), %ymm0
        vaesdeclast     (%rax), %ymm0, %ymm0
        vmovdqa %ymm0, (%rdx)
        vmovdqa (%rcx), %ymm0
        vaesenc (%rax), %ymm0, %ymm0
        vmovdqa %ymm0, (%rdx)
        vmovdqa (%rcx), %ymm0
        vaesenclast     (%rax), %ymm0, %ymm0
        vmovdqa %ymm0, (%rdx)
        vzeroupper
        ret
        .cfi_endproc
.LFE0:
        .size   foo, .-foo
        .ident  "GCC: (GNU) 15.0.1 20250326 (experimental)"
        .section        .note.GNU-stack,"",@progbits