Support _mm_movemask_ps

Author: bjorn3

scripts/test_rustc_tests.sh

@@ -46,7 +46,6 @@ rm tests/ui/proc-macro/allowed-signatures.rs
 
 # vendor intrinsics
 rm tests/ui/sse2.rs # cpuid not supported, so sse2 not detected
-rm tests/ui/intrinsics/const-eval-select-x86_64.rs # requires x86_64 vendor intrinsics
 rm tests/ui/simd/array-type.rs # "Index argument for `simd_insert` is not a constant"
 
 # exotic linkages

src/intrinsics/llvm_x86.rs

@@ -19,7 +19,10 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
         }
 
         // Used by `_mm_movemask_epi8` and `_mm256_movemask_epi8`
-        "llvm.x86.sse2.pmovmskb.128" | "llvm.x86.avx2.pmovmskb" | "llvm.x86.sse2.movmsk.pd" => {
+        "llvm.x86.sse2.pmovmskb.128"
+        | "llvm.x86.avx2.pmovmskb"
+        | "llvm.x86.sse.movmsk.ps"
+        | "llvm.x86.sse2.movmsk.pd" => {
             intrinsic_args!(fx, args => (a); intrinsic);
 
             let (lane_count, lane_ty) = a.layout().ty.simd_size_and_type(fx.tcx);