From 2f3233a446a8119b1a739750a1b6e64312fee001 Mon Sep 17 00:00:00 2001
From: Tom Schuster <evilpies@gmail.com>
Date: Sun, 17 May 2020 18:59:46 +0000
Subject: [PATCH] Bug 1638586 - Transpile Math.abs in Warp. r=iain

Differential Revision: https://phabricator.services.mozilla.com/D75692
---
 js/src/jit/CacheIROps.yaml           |  4 ++--
 js/src/jit/WarpCacheIRTranspiler.cpp | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/js/src/jit/CacheIROps.yaml b/js/src/jit/CacheIROps.yaml
index 2fc196a58d21..83dc41a4b3b6 100644
--- a/js/src/jit/CacheIROps.yaml
+++ b/js/src/jit/CacheIROps.yaml
@@ -658,13 +658,13 @@
 
 - name: MathAbsInt32Result
   shared: true
-  transpile: false
+  transpile: true
   args:
     input: Int32Id
 
 - name: MathAbsNumberResult
   shared: true
-  transpile: false
+  transpile: true
   args:
     input: NumberId
 
diff --git a/js/src/jit/WarpCacheIRTranspiler.cpp b/js/src/jit/WarpCacheIRTranspiler.cpp
index c8c8ba817185..8f75c311a5fd 100644
--- a/js/src/jit/WarpCacheIRTranspiler.cpp
+++ b/js/src/jit/WarpCacheIRTranspiler.cpp
@@ -942,6 +942,26 @@ bool WarpCacheIRTranspiler::emitCompareStringResult(JSOp op,
   return emitCompareResult(op, lhsId, rhsId, MCompare::Compare_String);
 }
 
+bool WarpCacheIRTranspiler::emitMathAbsInt32Result(Int32OperandId inputId) {
+  MDefinition* input = getOperand(inputId);
+
+  auto* ins = MAbs::New(alloc(), input, MIRType::Int32);
+  add(ins);
+
+  pushResult(ins);
+  return true;
+}
+
+bool WarpCacheIRTranspiler::emitMathAbsNumberResult(NumberOperandId inputId) {
+  MDefinition* input = getOperand(inputId);
+
+  auto* ins = MAbs::New(alloc(), input, MIRType::Double);
+  add(ins);
+
+  pushResult(ins);
+  return true;
+}
+
 bool WarpCacheIRTranspiler::emitLoadArgumentFixedSlot(ValOperandId resultId,
                                                       uint8_t slotIndex) {
   // Reverse of GetIndexOfArgument specialized to !hasArgumentArray.