V4 IR: reverse propagate int32 truncation.

Change-Id: I5cb0c7798d0e530f3137710bf0e723bd7b64dc89
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

2 files changed, 30 insertions, 0 deletions

diff --git a/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h b/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h
index 61c13acd35..9a8dc1f358 100644
--- a/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h
+++ b/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h
@@ -177,6 +177,11 @@ public:
         }
     }
 
+    void add32(RegisterID op1, RegisterID op2, RegisterID dest)
+    {
+        m_assembler.add(dest, op1, op2);
+    }
+
     void add32(TrustedImm32 imm, Address address)
     {
         load32(address, dataTempRegister);
@@ -310,6 +315,11 @@ public:
         m_assembler.smull(dest, dataTempRegister, src, dataTempRegister);
     }
 
+    void mul32(RegisterID op1, RegisterID op2, RegisterID dest)
+    {
+        m_assembler.smull(dest, dataTempRegister, op1, op2);
+    }
+
     void neg32(RegisterID srcDest)
     {
         m_assembler.neg(srcDest, srcDest);
diff --git a/src/3rdparty/masm/assembler/MacroAssemblerX86Common.h b/src/3rdparty/masm/assembler/MacroAssemblerX86Common.h
index 520cf915fa..94771be6a7 100644
--- a/src/3rdparty/masm/assembler/MacroAssemblerX86Common.h
+++ b/src/3rdparty/masm/assembler/MacroAssemblerX86Common.h
@@ -146,6 +146,16 @@ public:
         m_assembler.andl_rr(src, dest);
     }
 
+    void add32(RegisterID op1, RegisterID op2, RegisterID dest)
+    {
+        if (op2 == dest) {
+            add32(op1, dest);
+        } else {
+            move(op1, dest);
+            add32(op2, dest);
+        }
+    }
+
     void and32(TrustedImm32 imm, RegisterID dest)
     {
         m_assembler.andl_ir(imm.m_value, dest);
@@ -226,6 +236,16 @@ public:
         m_assembler.imull_rr(src, dest);
     }
 
+    void mul32(RegisterID op1, RegisterID op2, RegisterID dest)
+    {
+        if (op2 == dest) {
+            mul32(op1, dest);
+        } else {
+            move(op1, dest);
+            mul32(op2, dest);
+        }
+    }
+
     void mul32(Address src, RegisterID dest)
     {
         m_assembler.imull_mr(src.offset, src.base, dest);