getHostCPUFeatures() is also available on ARM, for even longer time than
for x86. Use it -- it potentially enables instructions that may speed
things up.
Signed-off-by: Lubomir Rintel <lkund...@v3.sk>
Cc: <mesa-sta...@lists.freedesktop.org>
---
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index fcbdd5050fe..f3b5784fce7 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -556,11 +556,11 @@
lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
llvm::SmallVector<std::string, 16> MAttrs;
-#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
-#if HAVE_LLVM >= 0x0400
- /* llvm-3.7+ implements sys::getHostCPUFeatures for x86,
- * which allows us to enable/disable code generation based
- * on the results of cpuid.
+#if HAVE_LLVM >= 0x0400 && (defined(PIPE_ARCH_X86) ||
defined(PIPE_ARCH_X86_64) || defined(PIPE_ARCH_ARM))
+ /* llvm-3.3+ implements sys::getHostCPUFeatures for Arm
+ * and llvm-3.7+ for x86, which allows us to enable/disable
+ * code generation based on the results of cpuid on these
+ * architectures.
*/
llvm::StringMap<bool> features;
llvm::sys::getHostCPUFeatures(features);
@@ -570,7 +570,7 @@
lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
++f) {
MAttrs.push_back(((*f).second ? "+" : "-") + (*f).first().str());
}
-#else
+#elif defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
/*
* We need to unset attributes because sometimes LLVM mistakenly assumes
* certain features are present given the processor name.
@@ -625,7 +625,6 @@
lp_build_create_jit_compiler_for_module(LLVMExecutionEngineRef *OutJIT,
MAttrs.push_back("-avx512vl");
#endif
#endif
-#endif
#if defined(PIPE_ARCH_PPC)
MAttrs.push_back(util_cpu_caps.has_altivec ? "+altivec" : "-altivec");
--
2.20.1
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