MIPS32: Implement table-based packed switch
Test: booted MIPS32R2 in QEMU
Test: test-art-target-run-test-optimizing (MIPS32R2) on CI20
Test: booted MIPS64 (with 2nd arch MIPS32R6) in QEMU
Test: test-art-target-run-test-optimizing (MIPS32R6) in QEMU
Test: test-art-host-gtest
Change-Id: I2e1a65ff1ba9406b84351ba7998f853b1ce4aef9
diff --git a/compiler/utils/mips/assembler_mips32r6_test.cc b/compiler/utils/mips/assembler_mips32r6_test.cc
index fabb096..750a94d 100644
--- a/compiler/utils/mips/assembler_mips32r6_test.cc
+++ b/compiler/utils/mips/assembler_mips32r6_test.cc
@@ -309,6 +309,12 @@
DriverStr(RepeatRIb(&mips::MipsAssembler::Lwpc, 19, code), "Lwpc");
}
+TEST_F(AssemblerMIPS32r6Test, Addiupc) {
+ // The comment from the Lwpc() test applies to this Addiupc() test as well.
+ const char* code = ".set imm, {imm}\naddiupc ${reg}, (imm - ((imm & 0x40000) << 1)) << 2";
+ DriverStr(RepeatRIb(&mips::MipsAssembler::Addiupc, 19, code), "Addiupc");
+}
+
TEST_F(AssemblerMIPS32r6Test, Bitswap) {
DriverStr(RepeatRR(&mips::MipsAssembler::Bitswap, "bitswap ${reg1}, ${reg2}"), "bitswap");
}
@@ -635,6 +641,40 @@
DriverStr(expected, "StoreDToOffset");
}
+TEST_F(AssemblerMIPS32r6Test, LoadFarthestNearLabelAddress) {
+ mips::MipsLabel label;
+ __ LoadLabelAddress(mips::V0, mips::ZERO, &label);
+ constexpr size_t kAdduCount = 0x3FFDE;
+ for (size_t i = 0; i != kAdduCount; ++i) {
+ __ Addu(mips::ZERO, mips::ZERO, mips::ZERO);
+ }
+ __ Bind(&label);
+
+ std::string expected =
+ "lapc $v0, 1f\n" +
+ RepeatInsn(kAdduCount, "addu $zero, $zero, $zero\n") +
+ "1:\n";
+ DriverStr(expected, "LoadFarthestNearLabelAddress");
+}
+
+TEST_F(AssemblerMIPS32r6Test, LoadNearestFarLabelAddress) {
+ mips::MipsLabel label;
+ __ LoadLabelAddress(mips::V0, mips::ZERO, &label);
+ constexpr size_t kAdduCount = 0x3FFDF;
+ for (size_t i = 0; i != kAdduCount; ++i) {
+ __ Addu(mips::ZERO, mips::ZERO, mips::ZERO);
+ }
+ __ Bind(&label);
+
+ std::string expected =
+ "1:\n"
+ "auipc $at, %hi(2f - 1b)\n"
+ "addiu $v0, $at, %lo(2f - 1b)\n" +
+ RepeatInsn(kAdduCount, "addu $zero, $zero, $zero\n") +
+ "2:\n";
+ DriverStr(expected, "LoadNearestFarLabelAddress");
+}
+
TEST_F(AssemblerMIPS32r6Test, LoadFarthestNearLiteral) {
mips::Literal* literal = __ NewLiteral<uint32_t>(0x12345678);
__ LoadLiteral(mips::V0, mips::ZERO, literal);
@@ -811,8 +851,7 @@
DriverStr(expected, "LongBeqc");
}
-// TODO: MipsAssembler::Addiupc
-// MipsAssembler::Bc
+// TODO: MipsAssembler::Bc
// MipsAssembler::Jic
// MipsAssembler::Jialc
// MipsAssembler::Bltc