[x64] Remove unused functions from macro-assembler

These are unused Pmaddubsw, Pblendvb, Blendvps, Blendvpd.

Bug: v8:11879
Change-Id: Idff00ee031bc76698f2ddd92b6495450add0242d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3123636Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76546}

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

@@ -1994,34 +1994,6 @@ void TurboAssembler::JumpCodeTObject(Register code, JumpMode jump_mode) {
   }
 }
 
-void TurboAssembler::Pmaddubsw(XMMRegister dst, XMMRegister src1,
-                               Operand src2) {
-  if (CpuFeatures::IsSupported(AVX)) {
-    CpuFeatureScope avx_scope(this, AVX);
-    vpmaddubsw(dst, src1, src2);
-  } else {
-    CpuFeatureScope ssse3_scope(this, SSSE3);
-    if (dst != src1) {
-      movaps(dst, src1);
-    }
-    pmaddubsw(dst, src2);
-  }
-}
-
-void TurboAssembler::Pmaddubsw(XMMRegister dst, XMMRegister src1,
-                               XMMRegister src2) {
-  if (CpuFeatures::IsSupported(AVX)) {
-    CpuFeatureScope avx_scope(this, AVX);
-    vpmaddubsw(dst, src1, src2);
-  } else {
-    CpuFeatureScope ssse3_scope(this, SSSE3);
-    if (dst != src1) {
-      movaps(dst, src1);
-    }
-    pmaddubsw(dst, src2);
-  }
-}
-
 void TurboAssembler::Pextrd(Register dst, XMMRegister src, uint8_t imm8) {
   if (imm8 == 0) {
     Movd(dst, src);
@@ -2153,45 +2125,6 @@ void TurboAssembler::Pinsrq(XMMRegister dst, XMMRegister src1, Operand src2,
               imm8, base::Optional<CpuFeature>(SSE4_1));
 }
 
-void TurboAssembler::Pblendvb(XMMRegister dst, XMMRegister src1,
-                              XMMRegister src2, XMMRegister mask) {
-  if (CpuFeatures::IsSupported(AVX)) {
-    CpuFeatureScope avx_scope(this, AVX);
-    vpblendvb(dst, src1, src2, mask);
-  } else {
-    CpuFeatureScope scope(this, SSE4_1);
-    DCHECK_EQ(dst, src1);
-    DCHECK_EQ(xmm0, mask);
-    pblendvb(dst, src2);
-  }
-}
-
-void TurboAssembler::Blendvps(XMMRegister dst, XMMRegister src1,
-                              XMMRegister src2, XMMRegister mask) {
-  if (CpuFeatures::IsSupported(AVX)) {
-    CpuFeatureScope avx_scope(this, AVX);
-    vblendvps(dst, src1, src2, mask);
-  } else {
-    CpuFeatureScope scope(this, SSE4_1);
-    DCHECK_EQ(dst, src1);
-    DCHECK_EQ(xmm0, mask);
-    blendvps(dst, src2);
-  }
-}
-
-void TurboAssembler::Blendvpd(XMMRegister dst, XMMRegister src1,
-                              XMMRegister src2, XMMRegister mask) {
-  if (CpuFeatures::IsSupported(AVX)) {
-    CpuFeatureScope avx_scope(this, AVX);
-    vblendvpd(dst, src1, src2, mask);
-  } else {
-    CpuFeatureScope scope(this, SSE4_1);
-    DCHECK_EQ(dst, src1);
-    DCHECK_EQ(xmm0, mask);
-    blendvpd(dst, src2);
-  }
-}
-
 void TurboAssembler::Absps(XMMRegister dst, XMMRegister src) {
   if (!CpuFeatures::IsSupported(AVX) && dst != src) {
     movaps(dst, src);

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

@@ -445,10 +445,6 @@ class V8_EXPORT_PRIVATE TurboAssembler
   void Trap();
   void DebugBreak();
 
-  // Will move src1 to dst if dst != src1.
-  void Pmaddubsw(XMMRegister dst, XMMRegister src1, Operand src2);
-  void Pmaddubsw(XMMRegister dst, XMMRegister src1, XMMRegister src2);
-
   // Non-SSE2 instructions.
   void Pextrd(Register dst, XMMRegister src, uint8_t imm8);
 
@@ -463,13 +459,6 @@ class V8_EXPORT_PRIVATE TurboAssembler
   void Pinsrq(XMMRegister dst, XMMRegister src1, Register src2, uint8_t imm8);
   void Pinsrq(XMMRegister dst, XMMRegister src1, Operand src2, uint8_t imm8);
 
-  void Pblendvb(XMMRegister dst, XMMRegister src1, XMMRegister src2,
-                XMMRegister mask);
-  void Blendvps(XMMRegister dst, XMMRegister src1, XMMRegister src2,
-                XMMRegister mask);
-  void Blendvpd(XMMRegister dst, XMMRegister src1, XMMRegister src2,
-                XMMRegister mask);
-
   void Absps(XMMRegister dst, XMMRegister src);
   void Negps(XMMRegister dst, XMMRegister src);
   void Abspd(XMMRegister dst, XMMRegister src);