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Issue 228943009: MIPS: Add big-endian support for MIPS. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Comments addressed Created 6 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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526 Code::ComputeFlags(Code::STUB), 526 Code::ComputeFlags(Code::STUB),
527 Handle<Code>())->ToObjectChecked(); 527 Handle<Code>())->ToObjectChecked();
528 CHECK(code->IsCode()); 528 CHECK(code->IsCode());
529 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); 529 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
530 t.ui = 0x11223344; 530 t.ui = 0x11223344;
531 t.si = 0x99aabbcc; 531 t.si = 0x99aabbcc;
532 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); 532 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
533 USE(dummy); 533 USE(dummy);
534 534
535 CHECK_EQ(0x11223344, t.r1); 535 CHECK_EQ(0x11223344, t.r1);
536 #if __BYTE_ORDER == __LITTLE_ENDIAN
536 CHECK_EQ(0x3344, t.r2); 537 CHECK_EQ(0x3344, t.r2);
537 CHECK_EQ(0xffffbbcc, t.r3); 538 CHECK_EQ(0xffffbbcc, t.r3);
538 CHECK_EQ(0x0000bbcc, t.r4); 539 CHECK_EQ(0x0000bbcc, t.r4);
539 CHECK_EQ(0xffffffcc, t.r5); 540 CHECK_EQ(0xffffffcc, t.r5);
540 CHECK_EQ(0x3333bbcc, t.r6); 541 CHECK_EQ(0x3333bbcc, t.r6);
542 #elif __BYTE_ORDER == __BIG_ENDIAN
543 CHECK_EQ(0x1122, t.r2);
544 CHECK_EQ(0xffff99aa, t.r3);
545 CHECK_EQ(0x000099aa, t.r4);
546 CHECK_EQ(0xffffff99, t.r5);
547 CHECK_EQ(0x99aa3333, t.r6);
548 #else
549 #error Unknown endianness
550 #endif
541 } 551 }
542 552
543 553
544 TEST(MIPS7) { 554 TEST(MIPS7) {
545 // Test floating point compare and branch instructions. 555 // Test floating point compare and branch instructions.
546 CcTest::InitializeVM(); 556 CcTest::InitializeVM();
547 Isolate* isolate = CcTest::i_isolate(); 557 Isolate* isolate = CcTest::i_isolate();
548 HandleScope scope(isolate); 558 HandleScope scope(isolate);
549 559
550 typedef struct { 560 typedef struct {
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935 Code::ComputeFlags(Code::STUB), 945 Code::ComputeFlags(Code::STUB),
936 Handle<Code>())->ToObjectChecked(); 946 Handle<Code>())->ToObjectChecked();
937 CHECK(code->IsCode()); 947 CHECK(code->IsCode());
938 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); 948 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
939 t.reg_init = 0xaabbccdd; 949 t.reg_init = 0xaabbccdd;
940 t.mem_init = 0x11223344; 950 t.mem_init = 0x11223344;
941 951
942 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); 952 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
943 USE(dummy); 953 USE(dummy);
944 954
955 #if __BYTE_ORDER == __LITTLE_ENDIAN
945 CHECK_EQ(0x44bbccdd, t.lwl_0); 956 CHECK_EQ(0x44bbccdd, t.lwl_0);
946 CHECK_EQ(0x3344ccdd, t.lwl_1); 957 CHECK_EQ(0x3344ccdd, t.lwl_1);
947 CHECK_EQ(0x223344dd, t.lwl_2); 958 CHECK_EQ(0x223344dd, t.lwl_2);
948 CHECK_EQ(0x11223344, t.lwl_3); 959 CHECK_EQ(0x11223344, t.lwl_3);
949 960
950 CHECK_EQ(0x11223344, t.lwr_0); 961 CHECK_EQ(0x11223344, t.lwr_0);
951 CHECK_EQ(0xaa112233, t.lwr_1); 962 CHECK_EQ(0xaa112233, t.lwr_1);
952 CHECK_EQ(0xaabb1122, t.lwr_2); 963 CHECK_EQ(0xaabb1122, t.lwr_2);
953 CHECK_EQ(0xaabbcc11, t.lwr_3); 964 CHECK_EQ(0xaabbcc11, t.lwr_3);
954 965
955 CHECK_EQ(0x112233aa, t.swl_0); 966 CHECK_EQ(0x112233aa, t.swl_0);
956 CHECK_EQ(0x1122aabb, t.swl_1); 967 CHECK_EQ(0x1122aabb, t.swl_1);
957 CHECK_EQ(0x11aabbcc, t.swl_2); 968 CHECK_EQ(0x11aabbcc, t.swl_2);
958 CHECK_EQ(0xaabbccdd, t.swl_3); 969 CHECK_EQ(0xaabbccdd, t.swl_3);
959 970
960 CHECK_EQ(0xaabbccdd, t.swr_0); 971 CHECK_EQ(0xaabbccdd, t.swr_0);
961 CHECK_EQ(0xbbccdd44, t.swr_1); 972 CHECK_EQ(0xbbccdd44, t.swr_1);
962 CHECK_EQ(0xccdd3344, t.swr_2); 973 CHECK_EQ(0xccdd3344, t.swr_2);
963 CHECK_EQ(0xdd223344, t.swr_3); 974 CHECK_EQ(0xdd223344, t.swr_3);
975 #elif __BYTE_ORDER == __BIG_ENDIAN
976 CHECK_EQ(0x11223344, t.lwl_0);
977 CHECK_EQ(0x223344dd, t.lwl_1);
978 CHECK_EQ(0x3344ccdd, t.lwl_2);
979 CHECK_EQ(0x44bbccdd, t.lwl_3);
980
981 CHECK_EQ(0xaabbcc11, t.lwr_0);
982 CHECK_EQ(0xaabb1122, t.lwr_1);
983 CHECK_EQ(0xaa112233, t.lwr_2);
984 CHECK_EQ(0x11223344, t.lwr_3);
985
986 CHECK_EQ(0xaabbccdd, t.swl_0);
987 CHECK_EQ(0x11aabbcc, t.swl_1);
988 CHECK_EQ(0x1122aabb, t.swl_2);
989 CHECK_EQ(0x112233aa, t.swl_3);
990
991 CHECK_EQ(0xdd223344, t.swr_0);
992 CHECK_EQ(0xccdd3344, t.swr_1);
993 CHECK_EQ(0xbbccdd44, t.swr_2);
994 CHECK_EQ(0xaabbccdd, t.swr_3);
995 #else
996 #error Unknown endianness
997 #endif
964 } 998 }
965 999
966 1000
967 TEST(MIPS12) { 1001 TEST(MIPS12) {
968 CcTest::InitializeVM(); 1002 CcTest::InitializeVM();
969 Isolate* isolate = CcTest::i_isolate(); 1003 Isolate* isolate = CcTest::i_isolate();
970 HandleScope scope(isolate); 1004 HandleScope scope(isolate);
971 1005
972 typedef struct { 1006 typedef struct {
973 int32_t x; 1007 int32_t x;
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1257 Label target; 1291 Label target;
1258 __ beq(v0, v1, &target); 1292 __ beq(v0, v1, &target);
1259 __ nop(); 1293 __ nop();
1260 __ bne(v0, v1, &target); 1294 __ bne(v0, v1, &target);
1261 __ nop(); 1295 __ nop();
1262 __ bind(&target); 1296 __ bind(&target);
1263 __ nop(); 1297 __ nop();
1264 } 1298 }
1265 1299
1266 #undef __ 1300 #undef __
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