From 961d4ce2e64c1c0d84f6ea860d29e16685c557d2 Mon Sep 17 00:00:00 2001
From: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Date: Wed, 22 Apr 2020 06:52:49 -0400
Subject: [PATCH] [mips][wasm-simd][liftoff] Implement fp min/max

Port 9f41a58417cbda011913a3f70d510e414de61c19
https://crrev.com/c/2151999

Change-Id: I58b02bebe3802a4c4a66df331913a742a083de9f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2160688
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#67325}
---
 .../baseline/mips/liftoff-assembler-mips.h    | 20 ++++++++++++
 .../mips64/liftoff-assembler-mips64.h         | 32 +++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/src/wasm/baseline/mips/liftoff-assembler-mips.h b/src/wasm/baseline/mips/liftoff-assembler-mips.h
index df144a13ff..a2934719a6 100644
--- a/src/wasm/baseline/mips/liftoff-assembler-mips.h
+++ b/src/wasm/baseline/mips/liftoff-assembler-mips.h
@@ -2050,6 +2050,16 @@ void LiftoffAssembler::emit_f32x4_div(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "emit_f32x4_div");
 }
 
+void LiftoffAssembler::emit_f32x4_min(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  bailout(kSimd, "emit_f32x4_min");
+}
+
+void LiftoffAssembler::emit_f32x4_max(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  bailout(kSimd, "emit_f32x4_max");
+}
+
 void LiftoffAssembler::emit_f64x2_abs(LiftoffRegister dst,
                                       LiftoffRegister src) {
   // TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
@@ -2106,6 +2116,16 @@ void LiftoffAssembler::emit_f64x2_div(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "emit_f64x2_div");
 }
 
+void LiftoffAssembler::emit_f64x2_min(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  bailout(kSimd, "emit_f64x2_min");
+}
+
+void LiftoffAssembler::emit_f64x2_max(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  bailout(kSimd, "emit_f64x2_max");
+}
+
 void LiftoffAssembler::emit_i8x16_sconvert_i16x8(LiftoffRegister dst,
                                                  LiftoffRegister lhs,
                                                  LiftoffRegister rhs) {
diff --git a/src/wasm/baseline/mips64/liftoff-assembler-mips64.h b/src/wasm/baseline/mips64/liftoff-assembler-mips64.h
index 1ed1e34cf9..6132168a29 100644
--- a/src/wasm/baseline/mips64/liftoff-assembler-mips64.h
+++ b/src/wasm/baseline/mips64/liftoff-assembler-mips64.h
@@ -1880,6 +1880,22 @@ void LiftoffAssembler::emit_f32x4_div(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "emit_f32x4_div");
 }
 
+void LiftoffAssembler::emit_f32x4_min(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  // TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
+  // CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
+  // 3a4000 support MSA.
+  bailout(kSimd, "emit_f32x4_min");
+}
+
+void LiftoffAssembler::emit_f32x4_max(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  // TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
+  // CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
+  // 3a4000 support MSA.
+  bailout(kSimd, "emit_f32x4_max");
+}
+
 void LiftoffAssembler::emit_f64x2_abs(LiftoffRegister dst,
                                       LiftoffRegister src) {
   // TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
@@ -1936,6 +1952,22 @@ void LiftoffAssembler::emit_f64x2_div(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "emit_f64x2_div");
 }
 
+void LiftoffAssembler::emit_f64x2_min(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  // TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
+  // CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
+  // 3a4000 support MSA.
+  bailout(kSimd, "emit_f64x2_min");
+}
+
+void LiftoffAssembler::emit_f64x2_max(LiftoffRegister dst, LiftoffRegister lhs,
+                                      LiftoffRegister rhs) {
+  // TODO(mips): Support this on loongson 3a4000. Currently, the main MIPS
+  // CPU, Loongson 3a3000 does not support MSA(simd128), but the upcoming
+  // 3a4000 support MSA.
+  bailout(kSimd, "emit_f64x2_max");
+}
+
 void LiftoffAssembler::emit_i8x16_sconvert_i16x8(LiftoffRegister dst,
                                                  LiftoffRegister lhs,
                                                  LiftoffRegister rhs) {