Rollup merge of #135454 - maurer:sized-word-ymmword, r=jieyouxu

llvm: Allow sized-word rather than ymmword in tests

llvm/llvm-project#122530 changes LLVM to use sized-word rather than ymmword for scatter gather pointers. While this will not always be qword, it is for these two tests.

`@rustbot` label: +llvm-main

Author: jhpratt

tests/assembly/simd-intrinsic-gather.rs

@@ -38,6 +38,6 @@ pub unsafe extern "C" fn gather_f64x4(mask: m64x4, ptrs: pf64x4) -> f64x4 {
     // x86-avx512: vpsllq ymm0, ymm0, 63
     // x86-avx512-NEXT: vpmovq2m k1, ymm0
     // x86-avx512-NEXT: vpxor xmm0, xmm0, xmm0
-    // x86-avx512-NEXT: vgatherqpd ymm0 {k1}, ymmword ptr [1*ymm1]
+    // x86-avx512-NEXT: vgatherqpd ymm0 {k1}, {{(ymmword)|(qword)}} ptr [1*ymm1]
     simd_gather(f64x4([0_f64, 0_f64, 0_f64, 0_f64]), ptrs, mask)
 }

tests/assembly/simd-intrinsic-scatter.rs

@@ -34,6 +34,6 @@ extern "rust-intrinsic" {
 pub unsafe extern "C" fn scatter_f64x4(values: f64x4, ptrs: pf64x4, mask: m64x4) {
     // x86-avx512: vpsllq ymm2, ymm2, 63
     // x86-avx512-NEXT: vpmovq2m k1, ymm2
-    // x86-avx512-NEXT: vscatterqpd ymmword ptr [1*ymm1] {k1}, ymm0
+    // x86-avx512-NEXT: vscatterqpd {{(ymmword)|(qword)}} ptr [1*ymm1] {k1}, ymm0
     simd_scatter(values, ptrs, mask)
 }