[x64] Implement 256-bit assembly for vhaddps

Bug: v8:12228
Change-Id: Ie1f569c450f84a862c754b844e36349b1533872d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3194633Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Yolanda Chen <yolanda.chen@intel.com>
Cr-Commit-Position: refs/heads/main@{#77202}

src/codegen/x64/assembler-x64.h

@@ -1378,15 +1378,16 @@ class V8_EXPORT_PRIVATE Assembler : public AssemblerBase {
   SSE_BINOP_INSTRUCTION_LIST(AVX_SSE_BINOP)
 #undef AVX_SSE_BINOP
 
-#define AVX_3(instr, opcode, impl)                                  \
-  void instr(XMMRegister dst, XMMRegister src1, XMMRegister src2) { \
+#define AVX_3(instr, opcode, impl, SIMDRegister)                       \
+  void instr(SIMDRegister dst, SIMDRegister src1, SIMDRegister src2) { \
     impl(opcode, dst, src1, src2);                                     \
   }                                                                    \
-  void instr(XMMRegister dst, XMMRegister src1, Operand src2) {     \
+  void instr(SIMDRegister dst, SIMDRegister src1, Operand src2) {      \
     impl(opcode, dst, src1, src2);                                     \
   }
 
-  AVX_3(vhaddps, 0x7c, vsd)
+  AVX_3(vhaddps, 0x7c, vsd, XMMRegister)
+  AVX_3(vhaddps, 0x7c, vsd, YMMRegister)
 
 #define AVX_SCALAR(instr, prefix, escape, opcode)                      \
   void v##instr(XMMRegister dst, XMMRegister src1, XMMRegister src2) { \
@@ -1513,11 +1514,9 @@ class V8_EXPORT_PRIVATE Assembler : public AssemblerBase {
     emit(static_cast<byte>(mode) | 0x8);  // Mask precision exception.
   }
 
-  void vsd(byte op, XMMRegister dst, XMMRegister src1, XMMRegister src2) {
-    vinstr(op, dst, src1, src2, kF2, k0F, kWIG);
-  }
-  void vsd(byte op, XMMRegister dst, XMMRegister src1, Operand src2) {
-    vinstr(op, dst, src1, src2, kF2, k0F, kWIG);
+  template <typename Reg, typename Op>
+  void vsd(byte op, Reg dst, Reg src1, Op src2) {
+    vinstr(op, dst, src1, src2, kF2, k0F, kWIG, AVX);
   }
 
   void vmovss(XMMRegister dst, XMMRegister src1, XMMRegister src2) {

test/cctest/test-assembler-x64.cc

@@ -2629,6 +2629,8 @@ TEST(AssemblerX64FloatingPoint256bit) {
   __ vsubps(ymm10, ymm11, ymm12);
   __ vroundps(ymm9, ymm2, kRoundUp);
   __ vroundpd(ymm9, ymm2, kRoundToNearest);
+  __ vhaddps(ymm1, ymm2, ymm3);
+  __ vhaddps(ymm0, ymm1, Operand(rbx, rcx, times_4, 10000));
 
   CodeDesc desc;
   masm.GetCode(isolate, &desc);
@@ -2648,7 +2650,11 @@ TEST(AssemblerX64FloatingPoint256bit) {
                      // vroundps ymm9, ymm2, 0xA
                      0xC4, 0x63, 0x7D, 0x08, 0xCA, 0x0A,
                      // vroundpd ymm9, ymm2, 0x8
-                     0xC4, 0x63, 0x7D, 0x09, 0xCA, 0x08};
+                     0xC4, 0x63, 0x7D, 0x09, 0xCA, 0x08,
+                     // VHADDPS ymm1, ymm2, ymm3
+                     0xC5, 0xEF, 0x7C, 0xCB,
+                     // VHADDPS ymm0, ymm1, YMMWORD PTR [rbx+rcx*4+0x2710]
+                     0xc5, 0xf7, 0x7c, 0x84, 0x8b, 0x10, 0x27, 0x00, 0x00};
   CHECK_EQ(0, memcmp(expected, desc.buffer, sizeof(expected)));
 }
 

test/cctest/test-disasm-x64.cc

@@ -349,6 +349,8 @@ TEST(DisasmX64) {
       __ vxorps(xmm0, xmm1, Operand(rbx, rcx, times_4, 10000));
       __ vhaddps(xmm0, xmm1, xmm9);
       __ vhaddps(xmm0, xmm1, Operand(rbx, rcx, times_4, 10000));
+      __ vhaddps(ymm0, ymm1, ymm2);
+      __ vhaddps(ymm0, ymm1, Operand(rbx, rcx, times_4, 10000));
 
       __ vpcmpeqd(xmm0, xmm15, xmm5);
       __ vpcmpeqd(xmm15, xmm0, Operand(rbx, rcx, times_4, 10000));
@@ -699,6 +701,8 @@ struct DisassemblerTester {
 
   int pc_offset() { return assm_.pc_offset(); }
 
+  Assembler* assm() { return &assm_; }
+
   v8::internal::byte buffer_[kAssemblerBufferSize];
   Assembler assm_;
   disasm::NameConverter converter_;
@@ -1223,27 +1227,15 @@ UNINITIALIZED_TEST(DisasmX64CheckOutputSSE2) {
 
 UNINITIALIZED_TEST(DisasmX64YMMRegister) {
   if (!CpuFeatures::IsSupported(AVX)) return;
-  v8::internal::byte buffer[8192];
-  Assembler assm(AssemblerOptions{},
-                 ExternalAssemblerBuffer(buffer, sizeof buffer));
-  CpuFeatureScope fscope(&assm, AVX);
-
-  __ vmovdqa(ymm0, ymm1);
-
-  base::Vector<char> actual = base::Vector<char>::New(37);
-  disasm::NameConverter converter;
-  disasm::Disassembler disassembler(converter);
-  disassembler.InstructionDecode(actual, buffer);
-#ifdef OBJECT_PRINT
-  fprintf(stdout, "Disassembled buffer: %s\n", actual.begin());
-#endif
-
-  base::Vector<const char> expected =
-      base::StaticCharVector("c5fd6fc1           vmovdqa ymm0,ymm1\0");
-
-  CHECK_EQ(expected, actual);
+  DisassemblerTester t;
+  CpuFeatureScope fscope(t.assm(), AVX);
 
-  actual.Dispose();
+  // Short immediate instructions
+  COMPARE("c5fd6fc1           vmovdqa ymm0,ymm1", vmovdqa(ymm0, ymm1));
+  COMPARE("c5f77cc2           vhaddps ymm0,ymm1,ymm2",
+          vhaddps(ymm0, ymm1, ymm2));
+  COMPARE("c5f77c848b10270000 vhaddps ymm0,ymm1,[rbx+rcx*4+0x2710]",
+          vhaddps(ymm0, ymm1, Operand(rbx, rcx, times_4, 10000)));
 }
 
 #undef __