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Issue 853703002: [x86] Avoid memory form of PUSH/CALL for ATOM. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebase Created 5 years, 11 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions 5 // modification, are permitted provided that the following conditions
6 // are met: 6 // are met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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85 CHECK(cpu.has_sse2()); // SSE2 support is mandatory. 85 CHECK(cpu.has_sse2()); // SSE2 support is mandatory.
86 CHECK(cpu.has_cmov()); // CMOV support is mandatory. 86 CHECK(cpu.has_cmov()); // CMOV support is mandatory.
87 87
88 // Only use statically determined features for cross compile (snapshot). 88 // Only use statically determined features for cross compile (snapshot).
89 if (cross_compile) return; 89 if (cross_compile) return;
90 90
91 if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1; 91 if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1;
92 if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3; 92 if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3;
93 if (cpu.has_avx() && EnableAVX()) supported_ |= 1u << AVX; 93 if (cpu.has_avx() && EnableAVX()) supported_ |= 1u << AVX;
94 if (cpu.has_fma3() && FLAG_enable_fma3) supported_ |= 1u << FMA3; 94 if (cpu.has_fma3() && FLAG_enable_fma3) supported_ |= 1u << FMA3;
95 if (strcmp(FLAG_mcpu, "auto") == 0) {
96 if (cpu.is_atom()) supported_ |= 1u << ATOM;
97 } else if (strcmp(FLAG_mcpu, "atom") == 0) {
98 supported_ |= 1u << ATOM;
99 }
95 } 100 }
96 101
97 102
98 void CpuFeatures::PrintTarget() { } 103 void CpuFeatures::PrintTarget() { }
99 void CpuFeatures::PrintFeatures() { 104 void CpuFeatures::PrintFeatures() {
100 printf("SSE3=%d SSE4_1=%d AVX=%d FMA3=%d\n", CpuFeatures::IsSupported(SSE3), 105 printf("SSE3=%d SSE4_1=%d AVX=%d FMA3=%d ATOM=%d\n",
101 CpuFeatures::IsSupported(SSE4_1), CpuFeatures::IsSupported(AVX), 106 CpuFeatures::IsSupported(SSE3), CpuFeatures::IsSupported(SSE4_1),
102 CpuFeatures::IsSupported(FMA3)); 107 CpuFeatures::IsSupported(AVX), CpuFeatures::IsSupported(FMA3),
108 CpuFeatures::IsSupported(ATOM));
103 } 109 }
104 110
105 111
106 // ----------------------------------------------------------------------------- 112 // -----------------------------------------------------------------------------
107 // Implementation of Displacement 113 // Implementation of Displacement
108 114
109 void Displacement::init(Label* L, Type type) { 115 void Displacement::init(Label* L, Type type) {
110 DCHECK(!L->is_bound()); 116 DCHECK(!L->is_bound());
111 int next = 0; 117 int next = 0;
112 if (L->is_linked()) { 118 if (L->is_linked()) {
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2775 fprintf(coverage_log, "%s\n", file_line); 2781 fprintf(coverage_log, "%s\n", file_line);
2776 fflush(coverage_log); 2782 fflush(coverage_log);
2777 } 2783 }
2778 } 2784 }
2779 2785
2780 #endif 2786 #endif
2781 2787
2782 } } // namespace v8::internal 2788 } } // namespace v8::internal
2783 2789
2784 #endif // V8_TARGET_ARCH_IA32 2790 #endif // V8_TARGET_ARCH_IA32
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