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88 lines
2.4 KiB
88 lines
2.4 KiB
4 years ago
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From 70acc386b6afb726d4576a3d4368b51114e92530 Mon Sep 17 00:00:00 2001
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From: Colin Ian King <colin.king@canonical.com>
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Date: Tue, 1 Sep 2020 12:54:19 +0100
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Subject: [PATCH] stress-ng.h: build in target clone types if gcc supports the
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feature
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Add in more build time optimization checks, try to build smarter with
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various gcc compatibility support checks.
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Signed-off-by: Colin Ian King <colin.king@canonical.com>
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---
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stress-ng.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
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1 file changed, 61 insertions(+), 1 deletion(-)
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diff --git a/stress-ng.h b/stress-ng.h
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index 3803bc71..6ce7d72e 100644
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--- a/stress-ng.h
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+++ b/stress-ng.h
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@@ -1686,7 +1686,67 @@ extern void pr_dbg_lock(bool *locked, const char *fmt, ...) FORMAT(printf, 2, 3
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/* GCC5.0+ target_clones attribute */
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#if defined(HAVE_TARGET_CLONES) && defined(STRESS_ARCH_X86)
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-#define TARGET_CLONES __attribute__((target_clones("mmx","sse","sse2","ssse3", "sse4.1", "sse4a", "avx", "avx2", "arch=skylake-avx512", "default")))
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+#if defined(__MMX_WITH_SSE__)
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+#define TARGET_CLONE_MMX "mmx",
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+#else
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+#define TARGET_CLONE_MMX
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+#endif
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+
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+#if defined(__AVX__)
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+#define TARGET_CLONE_AVX "avx",
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+#else
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+#define TARGET_CLONE_AVX
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+#endif
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+
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+#if defined(__AVX2__)
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+#define TARGET_CLONE_AVX2 "avx2",
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+#else
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+#define TARGET_CLONE_AVX2
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+#endif
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+
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+#if defined(__SSE__)
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+#define TARGET_CLONE_SSE "sse",
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+#else
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+#define TARGET_CLONE_SSE
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+#endif
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+
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+#if defined(__SSE2__)
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+#define TARGET_CLONE_SSE2 "sse2",
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+#else
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+#define TARGET_CLONE_SSE2
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+#endif
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+
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+#if defined(__SSE3__)
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+#define TARGET_CLONE_SSE3 "sse3",
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+#else
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+#define TARGET_CLONE_SSE3
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+#endif
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+
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+#if defined(__SSSE3__)
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+#define TARGET_CLONE_SSSE3 "ssse3",
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+#else
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+#define TARGET_CLONE_SSSE3
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+#endif
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+
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+#if defined(__SSE4_1__)
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+#define TARGET_CLONE_SSE4_1 "sse4.1",
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+#else
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+#define TARGET_CLONE_SSE4_1
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+#endif
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+
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+#if defined(__SSE4_2__)
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+#define TARGET_CLONE_SSE4_2 "sse4.2",
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+#else
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+#define TARGET_CLONE_SSE4_2
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+#endif
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+
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+#if defined(__AVX512F__)
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+#define TARGET_CLONE_SKYLAKE_AVX512 "arch=skylake-avx512",
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+#else
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+#define TARGET_CLONE_SKYLAKE_AVX512
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+#endif
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+
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+#define TARGET_CLONES __attribute__((target_clones(TARGET_CLONE_AVX TARGET_CLONE_AVX2 TARGET_CLONE_MMX TARGET_CLONE_SSE TARGET_CLONE_SSE2 TARGET_CLONE_SSE3 TARGET_CLONE_SSSE3 TARGET_CLONE_SSE4_1 TARGET_CLONE_SSE4_2 TARGET_CLONE_SKYLAKE_AVX512 "default")))
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#elif defined(HAVE_TARGET_CLONES) && defined(STRESS_ARCH_PPC64)
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#define TARGET_CLONES __attribute__((target_clones("cpu=power9,default")))
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#else
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