MIPS32: peek*/poke*, and String.charAt intrinsics.

- byte libcore.io.Memory.peekByte(long address)
- short libcore.io.Memory.peekShort(long address)
- int libcore.io.Memory.peekInt(long address)
- long libcore.io.Memory.peekLong(long address)
- void libcore.io.Memory.pokeByte(long address, byte value)
- void libcore.io.Memory.pokeShort(long address, short value)
- void libcore.io.Memory.pokeInt(long address, int value)
- void libcore.io.Memory.pokeLong(long address, long value)
- char java.lang.String.charAt(int index)

Change-Id: I5ff30b61d87313d00f0fd3f0ee09f1c454f9c9fa

1 files changed, 20 insertions, 0 deletions

diff --git a/compiler/utils/mips/assembler_mips.cc b/compiler/utils/mips/assembler_mips.cc
index ac9c097892..6fd65ee9a4 100644
--- a/compiler/utils/mips/assembler_mips.cc
+++ b/compiler/utils/mips/assembler_mips.cc
@@ -426,6 +426,16 @@ void MipsAssembler::Lw(Register rt, Register rs, uint16_t imm16) {
   EmitI(0x23, rs, rt, imm16);
 }
 
+void MipsAssembler::Lwl(Register rt, Register rs, uint16_t imm16) {
+  CHECK(!IsR6());
+  EmitI(0x22, rs, rt, imm16);
+}
+
+void MipsAssembler::Lwr(Register rt, Register rs, uint16_t imm16) {
+  CHECK(!IsR6());
+  EmitI(0x26, rs, rt, imm16);
+}
+
 void MipsAssembler::Lbu(Register rt, Register rs, uint16_t imm16) {
   EmitI(0x24, rs, rt, imm16);
 }
@@ -465,6 +475,16 @@ void MipsAssembler::Sw(Register rt, Register rs, uint16_t imm16) {
   EmitI(0x2b, rs, rt, imm16);
 }
 
+void MipsAssembler::Swl(Register rt, Register rs, uint16_t imm16) {
+  CHECK(!IsR6());
+  EmitI(0x2a, rs, rt, imm16);
+}
+
+void MipsAssembler::Swr(Register rt, Register rs, uint16_t imm16) {
+  CHECK(!IsR6());
+  EmitI(0x2e, rs, rt, imm16);
+}
+
 void MipsAssembler::Slt(Register rd, Register rs, Register rt) {
   EmitR(0, rs, rt, rd, 0, 0x2a);
 }