[wasm-simd] Add AVX codegen for load extends

Bug: v8:9886
Change-Id: I711bc0c8d1a9625eb3b2ecd38a44fb201aef153e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1985031
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65589}

src/codegen/x64/macro-assembler-x64.h

@@ -227,6 +227,12 @@ class V8_EXPORT_PRIVATE TurboAssembler : public TurboAssemblerBase {
   AVX_OP_SSE4_1(Insertps, insertps)
   AVX_OP_SSE4_1(Pinsrq, pinsrq)
   AVX_OP_SSE4_1(Pblendw, pblendw)
+  AVX_OP_SSE4_1(Pmovsxbw, pmovsxbw)
+  AVX_OP_SSE4_1(Pmovsxwd, pmovsxwd)
+  AVX_OP_SSE4_1(Pmovsxdq, pmovsxdq)
+  AVX_OP_SSE4_1(Pmovzxbw, pmovzxbw)
+  AVX_OP_SSE4_1(Pmovzxwd, pmovzxwd)
+  AVX_OP_SSE4_1(Pmovzxdq, pmovzxdq)
 
 #undef AVX_OP
 

src/compiler/backend/x64/code-generator-x64.cc

@@ -3719,37 +3719,37 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kX64I16x8Load8x8S: {
       CpuFeatureScope sse_scope(tasm(), SSE4_1);
       EmitOOLTrapIfNeeded(zone(), this, opcode, instr, __ pc_offset());
-      __ pmovsxbw(i.OutputSimd128Register(), i.MemoryOperand());
+      __ Pmovsxbw(i.OutputSimd128Register(), i.MemoryOperand());
       break;
     }
     case kX64I16x8Load8x8U: {
       CpuFeatureScope sse_scope(tasm(), SSE4_1);
       EmitOOLTrapIfNeeded(zone(), this, opcode, instr, __ pc_offset());
-      __ pmovzxbw(i.OutputSimd128Register(), i.MemoryOperand());
+      __ Pmovzxbw(i.OutputSimd128Register(), i.MemoryOperand());
       break;
     }
     case kX64I32x4Load16x4S: {
       CpuFeatureScope sse_scope(tasm(), SSE4_1);
       EmitOOLTrapIfNeeded(zone(), this, opcode, instr, __ pc_offset());
-      __ pmovsxwd(i.OutputSimd128Register(), i.MemoryOperand());
+      __ Pmovsxwd(i.OutputSimd128Register(), i.MemoryOperand());
       break;
     }
     case kX64I32x4Load16x4U: {
       CpuFeatureScope sse_scope(tasm(), SSE4_1);
       EmitOOLTrapIfNeeded(zone(), this, opcode, instr, __ pc_offset());
-      __ pmovzxwd(i.OutputSimd128Register(), i.MemoryOperand());
+      __ Pmovzxwd(i.OutputSimd128Register(), i.MemoryOperand());
       break;
     }
     case kX64I64x2Load32x2S: {
       CpuFeatureScope sse_scope(tasm(), SSE4_1);
       EmitOOLTrapIfNeeded(zone(), this, opcode, instr, __ pc_offset());
-      __ pmovsxdq(i.OutputSimd128Register(), i.MemoryOperand());
+      __ Pmovsxdq(i.OutputSimd128Register(), i.MemoryOperand());
       break;
     }
     case kX64I64x2Load32x2U: {
       CpuFeatureScope sse_scope(tasm(), SSE4_1);
       EmitOOLTrapIfNeeded(zone(), this, opcode, instr, __ pc_offset());
-      __ pmovzxdq(i.OutputSimd128Register(), i.MemoryOperand());
+      __ Pmovzxdq(i.OutputSimd128Register(), i.MemoryOperand());
       break;
     }
     case kX64S32x4Swizzle: {