PPC/s390: [wasm-simd][liftoff][ia32][x64] Implement floating-point roundings

Port 7f654693

Original Commit Message:

    Implement f32x4 and f64x2 nearest, trunc, ceil, and floor for ia32 and
    x64. arm and arm64 will follow in a future patch, now they just bail out
    into a runtime call.

R=zhin@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: Ida97cc498661a1f87dee95914fc4b7e75e55de80
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2416232Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#69972}

src/wasm/baseline/ppc/liftoff-assembler-ppc.h

@@ -604,6 +604,30 @@ void LiftoffAssembler::emit_f64x2_sqrt(LiftoffRegister dst,
   bailout(kUnsupportedArchitecture, "emit_f64x2sqrt");
 }
 
+bool LiftoffAssembler::emit_f64x2_ceil(LiftoffRegister dst,
+                                       LiftoffRegister src) {
+  bailout(kSimd, "f64x2.ceil");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f64x2_floor(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f64x2.floor");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f64x2_trunc(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f64x2.trunc");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f64x2_nearest_int(LiftoffRegister dst,
+                                              LiftoffRegister src) {
+  bailout(kSimd, "f64x2.nearest_int");
+  return true;
+}
+
 void LiftoffAssembler::emit_f64x2_add(LiftoffRegister dst, LiftoffRegister lhs,
                                       LiftoffRegister rhs) {
   bailout(kUnsupportedArchitecture, "emit_f64x2add");
@@ -677,6 +701,30 @@ void LiftoffAssembler::emit_f32x4_sqrt(LiftoffRegister dst,
   bailout(kUnsupportedArchitecture, "emit_f32x4sqrt");
 }
 
+bool LiftoffAssembler::emit_f32x4_ceil(LiftoffRegister dst,
+                                       LiftoffRegister src) {
+  bailout(kSimd, "f32x4.ceil");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f32x4_floor(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f32x4.floor");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f32x4_trunc(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f32x4.trunc");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f32x4_nearest_int(LiftoffRegister dst,
+                                              LiftoffRegister src) {
+  bailout(kSimd, "f32x4.nearest_int");
+  return true;
+}
+
 void LiftoffAssembler::emit_f32x4_add(LiftoffRegister dst, LiftoffRegister lhs,
                                       LiftoffRegister rhs) {
   bailout(kUnsupportedArchitecture, "emit_f32x4add");

src/wasm/baseline/s390/liftoff-assembler-s390.h

@@ -608,6 +608,30 @@ void LiftoffAssembler::emit_f64x2_sqrt(LiftoffRegister dst,
   bailout(kUnsupportedArchitecture, "emit_f64x2sqrt");
 }
 
+bool LiftoffAssembler::emit_f64x2_ceil(LiftoffRegister dst,
+                                       LiftoffRegister src) {
+  bailout(kSimd, "f64x2.ceil");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f64x2_floor(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f64x2.floor");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f64x2_trunc(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f64x2.trunc");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f64x2_nearest_int(LiftoffRegister dst,
+                                              LiftoffRegister src) {
+  bailout(kSimd, "f64x2.nearest_int");
+  return true;
+}
+
 void LiftoffAssembler::emit_f64x2_add(LiftoffRegister dst, LiftoffRegister lhs,
                                       LiftoffRegister rhs) {
   bailout(kUnsupportedArchitecture, "emit_f64x2add");
@@ -681,6 +705,30 @@ void LiftoffAssembler::emit_f32x4_sqrt(LiftoffRegister dst,
   bailout(kUnsupportedArchitecture, "emit_f32x4sqrt");
 }
 
+bool LiftoffAssembler::emit_f32x4_ceil(LiftoffRegister dst,
+                                       LiftoffRegister src) {
+  bailout(kSimd, "f32x4.ceil");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f32x4_floor(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f32x4.floor");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f32x4_trunc(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kSimd, "f32x4.trunc");
+  return true;
+}
+
+bool LiftoffAssembler::emit_f32x4_nearest_int(LiftoffRegister dst,
+                                              LiftoffRegister src) {
+  bailout(kSimd, "f32x4.nearest_int");
+  return true;
+}
+
 void LiftoffAssembler::emit_f32x4_add(LiftoffRegister dst, LiftoffRegister lhs,
                                       LiftoffRegister rhs) {
   bailout(kUnsupportedArchitecture, "emit_f32x4add");