[mips][wasm-simd] Implement f64x2 abs neg for mips

Port afbbfcbe

R=xwafish@gmail.com

Change-Id: Iab3a9f32d8bccddcdca8d9a874869e62ae961948
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1868558
Auto-Submit: Mu Tao <pamilty@gmail.com>
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64491}

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

@@ -1942,6 +1942,16 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
                 i.InputSimd128Register(1));
       break;
     }
+    case kMipsF64x2Abs: {
+      CpuFeatureScope msa_scope(tasm(), MIPS_SIMD);
+      __ bclri_d(i.OutputSimd128Register(), i.InputSimd128Register(0), 63);
+      break;
+    }
+    case kMipsF64x2Neg: {
+      CpuFeatureScope msa_scope(tasm(), MIPS_SIMD);
+      __ bnegi_d(i.OutputSimd128Register(), i.InputSimd128Register(0), 63);
+      break;
+    }
     case kMipsF32x4Splat: {
       CpuFeatureScope msa_scope(tasm(), MIPS_SIMD);
       __ FmoveLow(kScratchReg, i.InputSingleRegister(0));

src/compiler/backend/mips/instruction-codes-mips.h

@@ -142,6 +142,8 @@ namespace compiler {
   V(MipsI32x4Add)                  \
   V(MipsI32x4AddHoriz)             \
   V(MipsI32x4Sub)                  \
+  V(MipsF64x2Abs)                  \
+  V(MipsF64x2Neg)                  \
   V(MipsF32x4Splat)                \
   V(MipsF32x4ExtractLane)          \
   V(MipsF32x4ReplaceLane)          \

src/compiler/backend/mips/instruction-scheduler-mips.cc

@@ -41,6 +41,8 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kMipsDivS:
     case kMipsDivU:
     case kMipsExt:
+    case kMipsF64x2Abs:
+    case kMipsF64x2Neg:
     case kMipsF32x4Abs:
     case kMipsF32x4Add:
     case kMipsF32x4AddHoriz:

src/compiler/backend/mips/instruction-selector-mips.cc

@@ -2014,6 +2014,8 @@ void InstructionSelector::VisitInt64AbsWithOverflow(Node* node) {
   V(I8x16)
 
 #define SIMD_UNOP_LIST(V)                                \
+  V(F64x2Abs, kMipsF64x2Abs)                             \
+  V(F64x2Neg, kMipsF64x2Neg)                             \
   V(F32x4SConvertI32x4, kMipsF32x4SConvertI32x4)         \
   V(F32x4UConvertI32x4, kMipsF32x4UConvertI32x4)         \
   V(F32x4Abs, kMipsF32x4Abs)                             \

src/compiler/backend/mips64/code-generator-mips64.cc

@@ -2057,6 +2057,16 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
                 i.InputSimd128Register(1));
       break;
     }
+    case kMips64F64x2Abs: {
+      CpuFeatureScope msa_scope(tasm(), MIPS_SIMD);
+      __ bclri_d(i.OutputSimd128Register(), i.InputSimd128Register(0), 63);
+      break;
+    }
+    case kMips64F64x2Neg: {
+      CpuFeatureScope msa_scope(tasm(), MIPS_SIMD);
+      __ bnegi_d(i.OutputSimd128Register(), i.InputSimd128Register(0), 63);
+      break;
+    }
     case kMips64F32x4Splat: {
       CpuFeatureScope msa_scope(tasm(), MIPS_SIMD);
       __ FmoveLow(kScratchReg, i.InputSingleRegister(0));

src/compiler/backend/mips64/instruction-codes-mips64.h

@@ -172,6 +172,8 @@ namespace compiler {
   V(Mips64I32x4Add)                          \
   V(Mips64I32x4AddHoriz)                     \
   V(Mips64I32x4Sub)                          \
+  V(Mips64F64x2Abs)                          \
+  V(Mips64F64x2Neg)                          \
   V(Mips64F32x4Splat)                        \
   V(Mips64F32x4ExtractLane)                  \
   V(Mips64F32x4ReplaceLane)                  \
@@ -189,7 +191,7 @@ namespace compiler {
   V(Mips64I32x4MinU)                         \
   V(Mips64F32x4Abs)                          \
   V(Mips64F32x4Neg)                          \
-  V(Mips64F32x4Sqrt)                          \
+  V(Mips64F32x4Sqrt)                         \
   V(Mips64F32x4RecipApprox)                  \
   V(Mips64F32x4RecipSqrtApprox)              \
   V(Mips64F32x4Add)                          \

src/compiler/backend/mips64/instruction-scheduler-mips64.cc

@@ -69,6 +69,8 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kMips64Dsub:
     case kMips64DsubOvf:
     case kMips64Ext:
+    case kMips64F64x2Abs:
+    case kMips64F64x2Neg:
     case kMips64F32x4Abs:
     case kMips64F32x4Add:
     case kMips64F32x4AddHoriz:

src/compiler/backend/mips64/instruction-selector-mips64.cc

@@ -2677,6 +2677,8 @@ void InstructionSelector::VisitInt64AbsWithOverflow(Node* node) {
   V(I8x16)
 
 #define SIMD_UNOP_LIST(V)                                  \
+  V(F64x2Abs, kMips64F64x2Abs)                             \
+  V(F64x2Neg, kMips64F64x2Neg)                             \
   V(F32x4SConvertI32x4, kMips64F32x4SConvertI32x4)         \
   V(F32x4UConvertI32x4, kMips64F32x4UConvertI32x4)         \
   V(F32x4Abs, kMips64F32x4Abs)                             \