PPC/s390: [ia32][wasm] Add F32x4 RecipApprox/RecipSqrtApprox.

Port f0f22341

Original Commit Message:

    Add Rcpps and Rsqrtps macros.
    Rename SIMD_UNOP macros.

R=jing.bao@intel.com, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I269f553353827a2f36271cdc27c336438cb6488b
Reviewed-on: https://chromium-review.googlesource.com/986279Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#52304}

src/compiler/ppc/instruction-selector-ppc.cc

@@ -2206,6 +2206,12 @@ void InstructionSelector::VisitF32x4Neg(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF32x4Abs(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitF32x4RecipSqrtApprox(Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitF32x4RecipApprox(Node* node) { UNIMPLEMENTED(); }
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {

src/compiler/s390/instruction-selector-s390.cc

@@ -2477,6 +2477,12 @@ void InstructionSelector::VisitF32x4Neg(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF32x4Abs(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitF32x4RecipSqrtApprox(Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitF32x4RecipApprox(Node* node) { UNIMPLEMENTED(); }
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {