[MIPS] Add Fast Art interpreter for Mips32.
Change-Id: I6b9714dc8c01b8c9080bcba175faec1d2de08f8f
diff --git a/runtime/interpreter/mterp/mips/zcmp.S b/runtime/interpreter/mterp/mips/zcmp.S
new file mode 100644
index 0000000..1fa1385
--- /dev/null
+++ b/runtime/interpreter/mterp/mips/zcmp.S
@@ -0,0 +1,32 @@
+ /*
+ * Generic one-operand compare-and-branch operation. Provide a "revcmp"
+ * fragment that specifies the *reverse* comparison to perform, e.g.
+ * for "if-le" you would use "gt".
+ *
+ * for: if-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez
+ */
+ /* if-cmp vAA, +BBBB */
+ GET_OPA(a0) # a0 <- AA
+ GET_VREG(a2, a0) # a2 <- vAA
+ FETCH_S(rINST, 1) # rINST <- branch offset, in code units
+ b${revcmp} a2, zero, 1f # branch to 1 if comparison failed
+ b 2f
+1:
+ li rINST, 2 # rINST- BYTE branch dist for not-taken
+2:
+#if MTERP_PROFILE_BRANCHES
+ EXPORT_PC()
+ move a0, rSELF
+ addu a1, rFP, OFF_FP_SHADOWFRAME
+ move a2, rINST
+ JAL(MterpProfileBranch) # (self, shadow_frame, offset)
+ bnez v0, MterpOnStackReplacement # Note: offset must be in rINST
+#endif
+ addu a1, rINST, rINST # convert to bytes
+ FETCH_ADVANCE_INST_RB(a1) # update rPC, load rINST
+ bgez a1, 3f
+ lw ra, THREAD_FLAGS_OFFSET(rSELF)
+ b MterpCheckSuspendAndContinue
+3:
+ GET_INST_OPCODE(t0) # extract opcode from rINST
+ GOTO_OPCODE(t0) # jump to next instruction