From: "Shi, Steven" <steven.shi@intel.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "sigmaepsilon92@gmail.com" <sigmaepsilon92@gmail.com>,
"Zhu, Yonghong" <yonghong.zhu@intel.com>,
"Gao, Liming" <liming.gao@intel.com>,
"Justen, Jordan L" <jordan.l.justen@intel.com>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
"leif.lindholm@linaro.org" <leif.lindholm@linaro.org>,
"afish@apple.com" <afish@apple.com>
Subject: Re: [PATCH 3/3] BaseTools GCC: add the compiler flags to the linker command line
Date: Wed, 17 Aug 2016 12:24:58 +0000 [thread overview]
Message-ID: <06C8AB66E78EE34A949939824ABE2B310338D68E@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <CAKv+Gu-FTywO00czH+Djm5VYkZT2t2KKhPLipcsFkZHcumZuGQ@mail.gmail.com>
>
> Could you try putting -O2 in the DLINK2_FLAGS for Clang 38? (i.e., so
> that the last -O option the linker sees is not -Oz)
>
Ard,
Add -O2 or -O3 in DLINK2_FLAGS works as below, thank your suggestion!
"/home/jshi19/clang38/bin/clang" -o /home/jshi19/edk2-fork/Build/OvmfX64/RELEASE_CLANG38/X64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll -nostdlib -Wl,-n,-q,--gc-sections -z common-page-size=0x40 -Wl,--entry,_ModuleEntryPoint -u _ModuleEntryPoint -Wl,-Map,/home/jshi19/edk2-fork/Build/OvmfX64/RELEASE_CLANG38/X64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.map -flto -Wl,-Oz -Wl,-melf_x86_64 -Wl,--oformat=elf64-x86-64 -Wl,-pie -mcmodel=small -Wl,--start-group,@/home/jshi19/edk2-fork/Build/OvmfX64/RELEASE_CLANG38/X64/MdeModulePkg/Core/Dxe/DxeMain/OUTPUT/static_library_files.lst,--end-group -g -fshort-wchar -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -ffunction-sections -fdata-sections -include AutoGen.h -fno-common -DSTRING_ARRAY_NAME=DxeCoreStrings -Wno-empty-body -fno-stack-protector -fno-builtin -mms-bitfields -Wno-address -Wno-shift-negative-value -Wno-parentheses-equality -Wno-unknown-pragmas -Wno-tautological-constant-out-of-range-compare -Wno-incompatible-library-redeclaration -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -msoft-float -mno-implicit-float -ftrap-function=undefined_behavior_has_been_optimized_away_by_clang -funsigned-char -fno-ms-extensions -Wno-null-dereference -Wno-tautological-compare -m64 "-DEFIAPI=__attribute__((ms_abi))" -mno-red-zone -mcmodel=small -fpie -Oz -flto -target x86_64-pc-linux-gnu -DMDEPKG_NDEBUG -mno-mmx -mno-sse -Wl,--defsym=PECOFF_HEADER_SIZE=0x228 -Wl,--script=/home/jshi19/edk2-fork/BaseTools/Scripts/GccBase.lds -Wno-error -O3 -v
clang version 3.8.0 (tags/RELEASE_380/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /home/jshi19/clang38/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.3
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.0.0
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.0
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
"/usr/bin/ld" -z relro --hash-style=gnu --build-id --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o /home/jshi19/edk2-fork/Build/OvmfX64/RELEASE_CLANG38/X64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll -u _ModuleEntryPoint -L/usr/lib/gcc/x86_64-linux-gnu/5.4.0 -L/usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../.. -L/home/jshi19/clang38/bin/../lib -L/lib -L/usr/lib -plugin /home/jshi19/clang38/bin/../lib/LLVMgold.so -plugin-opt=mcpu=x86-64 -plugin-opt=O3 -n -q --gc-sections -z common-page-size=0x40 --entry _ModuleEntryPoint -Map /home/jshi19/edk2-fork/Build/OvmfX64/RELEASE_CLANG38/X64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.map -Oz -melf_x86_64 --oformat=elf64-x86-64 -pie --start-group @/home/jshi19/edk2-fork/Build/OvmfX64/RELEASE_CLANG38/X64/MdeModulePkg/Core/Dxe/DxeMain/OUTPUT/static_library_files.lst --end-group --defsym=PECOFF_HEADER_SIZE=0x228 --script=/home/jshi19/edk2-fork/BaseTools/Scripts/GccBase.lds
Steven Shi
Intel\SSG\STO\UEFI Firmware
Tel: +86 021-61166522
iNet: 821-6522
next prev parent reply other threads:[~2016-08-17 12:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-02 14:39 [PATCH 0/3] BaseTools GCC: pass CC flags to linker Ard Biesheuvel
2016-08-02 14:39 ` [PATCH 1/3] BaseTools GCC: move -c compiler flag to build rules Ard Biesheuvel
2016-08-02 15:01 ` Leif Lindholm
2016-08-02 15:02 ` Ard Biesheuvel
2016-08-02 15:09 ` Ard Biesheuvel
2016-08-02 14:39 ` [PATCH 2/3] BaseTools GCC5: disable warnings-as-errors for now Ard Biesheuvel
2016-08-02 14:39 ` [PATCH 3/3] BaseTools GCC: add the compiler flags to the linker command line Ard Biesheuvel
2016-08-17 11:38 ` Shi, Steven
2016-08-17 11:42 ` Ard Biesheuvel
2016-08-17 12:24 ` Shi, Steven [this message]
2016-08-17 13:06 ` Ard Biesheuvel
2016-08-02 14:50 ` [PATCH 0/3] BaseTools GCC: pass CC flags to linker Gao, Liming
2016-08-02 14:51 ` Ard Biesheuvel
2016-08-03 8:22 ` Ard Biesheuvel
2016-08-03 8:58 ` Gao, Liming
2016-08-03 9:23 ` Ard Biesheuvel
2016-08-03 13:20 ` Gao, Liming
2016-08-03 15:50 ` Ard Biesheuvel
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