From 6b46b3313eb5bbccc06adf5f89e27b9c2fe9f9ab Mon Sep 17 00:00:00 2001
From: Anthony Ryan <anthonyryan1@gmail.com>
Date: Mon, 6 Feb 2017 22:38:45 -0500
Subject: Update SSE3 check to match with the others
SSE3 is in /proc/cpuinfo, but under an alternative name
---
cmake/modules/FindSSE.cmake | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/cmake/modules/FindSSE.cmake b/cmake/modules/FindSSE.cmake
index 055466367b..ba9fb541ed 100644
--- a/cmake/modules/FindSSE.cmake
+++ b/cmake/modules/FindSSE.cmake
@@ -14,13 +14,10 @@ if(CMAKE_SYSTEM_NAME MATCHES "Linux")
string(COMPARE EQUAL "sse2" "${_SSE_THERE}" _SSE2_TRUE)
CHECK_CXX_ACCEPTS_FLAG("-msse2" _SSE2_OK)
- # /proc/cpuinfo apparently omits sse3 :(
- string(REGEX REPLACE "^.*[^s](sse3).*$" "\\1" _SSE_THERE ${CPUINFO})
- string(COMPARE EQUAL "sse3" "${_SSE_THERE}" _SSE3_TRUE)
- if(NOT _SSE3_TRUE)
- string(REGEX REPLACE "^.*(T2300).*$" "\\1" _SSE_THERE ${CPUINFO})
- string(COMPARE EQUAL "T2300" "${_SSE_THERE}" _SSE3_TRUE)
- endif()
+ # SSE3 is also known as the Prescott New Instructions (PNI)
+ # it's labeled as pni in /proc/cpuinfo
+ string(REGEX REPLACE "^.*(pni).*$" "\\1" _SSE_THERE ${CPUINFO})
+ string(COMPARE EQUAL "pni" "${_SSE_THERE}" _SSE3_TRUE)
CHECK_CXX_ACCEPTS_FLAG("-msse3" _SSE3_OK)
string(REGEX REPLACE "^.*(ssse3).*$" "\\1" _SSE_THERE ${CPUINFO})
--
cgit v1.2.3