MIPS32: int java.lang.*.numberOfLeadingZeros

- int java.lang.Integer.numberOfLeadingZeros(int)
- int java.lang.Long.numberOfLeadingZeros(long)

Change-Id: Icaf746cb807863f944ff4ebb5da6e6b2846eac58

1 files changed, 40 insertions, 0 deletions

diff --git a/compiler/utils/mips/assembler_mips.cc b/compiler/utils/mips/assembler_mips.cc
index 86e5762f9c..5a4de82eaf 100644
--- a/compiler/utils/mips/assembler_mips.cc
+++ b/compiler/utils/mips/assembler_mips.cc
@@ -302,6 +302,46 @@ void MipsAssembler::Nor(Register rd, Register rs, Register rt) {
   EmitR(0, rs, rt, rd, 0, 0x27);
 }
 
+void MipsAssembler::Movz(Register rd, Register rs, Register rt) {
+  CHECK(!IsR6());
+  EmitR(0, rs, rt, rd, 0, 0x0A);
+}
+
+void MipsAssembler::Movn(Register rd, Register rs, Register rt) {
+  CHECK(!IsR6());
+  EmitR(0, rs, rt, rd, 0, 0x0B);
+}
+
+void MipsAssembler::Seleqz(Register rd, Register rs, Register rt) {
+  CHECK(IsR6());
+  EmitR(0, rs, rt, rd, 0, 0x35);
+}
+
+void MipsAssembler::Selnez(Register rd, Register rs, Register rt) {
+  CHECK(IsR6());
+  EmitR(0, rs, rt, rd, 0, 0x37);
+}
+
+void MipsAssembler::ClzR6(Register rd, Register rs) {
+  CHECK(IsR6());
+  EmitR(0, rs, static_cast<Register>(0), rd, 0x01, 0x10);
+}
+
+void MipsAssembler::ClzR2(Register rd, Register rs) {
+  CHECK(!IsR6());
+  EmitR(0x1C, rs, rd, rd, 0, 0x20);
+}
+
+void MipsAssembler::CloR6(Register rd, Register rs) {
+  CHECK(IsR6());
+  EmitR(0, rs, static_cast<Register>(0), rd, 0x01, 0x11);
+}
+
+void MipsAssembler::CloR2(Register rd, Register rs) {
+  CHECK(!IsR6());
+  EmitR(0x1C, rs, rd, rd, 0, 0x21);
+}
+
 void MipsAssembler::Seb(Register rd, Register rt) {
   EmitR(0x1f, static_cast<Register>(0), rt, rd, 0x10, 0x20);
 }