MIPS switch table support
And 64-bit neg/add/sub (ouch! Mips has no carry bit...)
Change-Id: Ifb94324a0052d6069977fb8f22679b95890445d8
diff --git a/src/compiler/codegen/mips/ArchFactory.cc b/src/compiler/codegen/mips/ArchFactory.cc
index 963427d..9050cf9 100644
--- a/src/compiler/codegen/mips/ArchFactory.cc
+++ b/src/compiler/codegen/mips/ArchFactory.cc
@@ -24,6 +24,77 @@
namespace art {
+bool genAddLong(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
+ RegLocation rlSrc1, RegLocation rlSrc2)
+{
+ rlSrc1 = loadValueWide(cUnit, rlSrc1, kCoreReg);
+ rlSrc2 = loadValueWide(cUnit, rlSrc2, kCoreReg);
+ RegLocation rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
+ /*
+ * [v1 v0] = [a1 a0] + [a3 a2];
+ * addu v0,a2,a0
+ * addu t1,a3,a1
+ * sltu v1,v0,a2
+ * addu v1,v1,t1
+ */
+
+ opRegRegReg(cUnit, kOpAdd, rlResult.lowReg, rlSrc2.lowReg, rlSrc1.lowReg);
+ int tReg = oatAllocTemp(cUnit);
+ opRegRegReg(cUnit, kOpAdd, tReg, rlSrc2.highReg, rlSrc1.highReg);
+ newLIR3(cUnit, kMipsSltu, rlResult.highReg, rlResult.lowReg, rlSrc2.lowReg);
+ opRegRegReg(cUnit, kOpAdd, rlResult.highReg, rlResult.highReg, tReg);
+ oatFreeTemp(cUnit, tReg);
+ storeValueWide(cUnit, rlDest, rlResult);
+ return false;
+}
+
+bool genSubLong(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
+ RegLocation rlSrc1, RegLocation rlSrc2)
+{
+ rlSrc1 = loadValueWide(cUnit, rlSrc1, kCoreReg);
+ rlSrc2 = loadValueWide(cUnit, rlSrc2, kCoreReg);
+ RegLocation rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
+ /*
+ * [v1 v0] = [a1 a0] - [a3 a2];
+ * subu v0,a0,a2
+ * subu v1,a1,a3
+ * sltu t1,a0,v0
+ * subu v1,v1,t1
+ */
+
+ opRegRegReg(cUnit, kOpSub, rlResult.lowReg, rlSrc1.lowReg, rlSrc2.lowReg);
+ opRegRegReg(cUnit, kOpSub, rlResult.highReg, rlSrc1.highReg, rlSrc2.highReg);
+ int tReg = oatAllocTemp(cUnit);
+ newLIR3(cUnit, kMipsSltu, tReg, rlSrc1.lowReg, rlResult.lowReg);
+ opRegRegReg(cUnit, kOpSub, rlResult.highReg, rlResult.highReg, tReg);
+ oatFreeTemp(cUnit, tReg);
+ storeValueWide(cUnit, rlDest, rlResult);
+ return false;
+}
+
+bool genNegLong(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
+ RegLocation rlSrc)
+{
+ rlSrc = loadValueWide(cUnit, rlSrc, kCoreReg);
+ RegLocation rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
+ /*
+ * [v1 v0] = -[a1 a0]
+ * negu v0,a0
+ * negu v1,a1
+ * sltu t1,r_zero
+ * subu v1,v1,t1
+ */
+
+ opRegReg(cUnit, kOpNeg, rlResult.lowReg, rlSrc.lowReg);
+ opRegReg(cUnit, kOpNeg, rlResult.highReg, rlSrc.highReg);
+ int tReg = oatAllocTemp(cUnit);
+ newLIR3(cUnit, kMipsSltu, tReg, r_ZERO, rlResult.lowReg);
+ opRegRegReg(cUnit, kOpSub, rlResult.highReg, rlResult.highReg, tReg);
+ oatFreeTemp(cUnit, tReg);
+ storeValueWide(cUnit, rlDest, rlResult);
+ return false;
+}
+
void genDebuggerUpdate(CompilationUnit* cUnit, int32_t offset);
/*