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author | Michal Klocek <michal.klocek@qt.io> | 2021-07-06 07:57:46 +0200 |
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committer | Michal Klocek <michal.klocek@qt.io> | 2021-07-07 01:04:18 +0200 |
commit | b1a6adf731828b1f68f51480eeb21dd9e7d3ba1e (patch) | |
tree | ad24c582e89bc4a19a3431dbd130feed5817c698 /src/core/CMakeLists.txt | |
parent | 05a7dba5c2733b5893fbea8aac89af5df13d53fb (diff) |
Add arm optimization flags to cmake build
Pick-to: dev
Change-Id: Ibab4630fd226f46f58d08c603436dc2c378212ec
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'src/core/CMakeLists.txt')
-rw-r--r-- | src/core/CMakeLists.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 58cf9c48b..7feb1ec40 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -514,6 +514,40 @@ foreach(config ${configs}) ARGS use_xscrnsaver CONDITION XSCRNSAVER_FOUND ) + + if(CMAKE_CROSSCOMPILING AND cpu STREQUAL "arm") + extend_gn_list_cflag(gnArgArg + ARG arm_tune + CFLAG mtune + ) + extend_gn_list_cflag(gnArgArg + ARG arm_float_abi + CFLAG mfloat-abi + ) + extend_gn_list_cflag(gnArgArg + ARG arm_arch + CFLAG march + ) + extract_cflag(cflag "mfpu") + get_arm_version(arm_version "${cflag}") + extend_gn_list(gnArgArg + ARGS arm_use_neon + CONDITION (arm_version GREATER_EQUAL 8) OR ("${cflag}" MATCHES ".*neon.*") + ) + if(arm_version EQUAL 7 AND NOT "${cflag}" MATCHES ".*neon.*") + # If the toolchain does not explicitly specify to use NEON instructions + # we use arm_neon_optional for ARMv7 + list(APPEND gnArgArg arm_optionally_use_neon=true) + endif() + check_thumb(armThumb) + extend_gn_list(gnArgArg + ARGS arm_use_thumb + CONDITION armThumb + ) + if(NOT armThumb AND NOT QT_FEATURE_system_ffmpeg) + list(APPEND gnArgArg media_use_ffmpeg=false use_webaudio_ffmpeg=false) + endif() + endif() endif() if(MACOS) |