grep -E '[cC]{2}[ "].*' ../edk2.log | grep -Ev " (-E|(-x assembler
(-with-cpp)?)) " | grep -v -- "-fdump-tree-bswap" shows that all
invocation of cc or gcc for compiling had a -fdump-tree-bswap in it.
This confuses me because the only "found at" I could find in the bswap
dumps are for:
./Build/Shell/RELEASE_ARMGCC/AARCH64/MdePkg/Library/BaseLib/BaseLib/OUTPUT/SwapBytes16.c.090t.bswap:16
bit bswap implementation found at: _7 = _4 | _6;
./Build/ArmVirtualizationQemu-AARCH64/RELEASE_ARMGCC/AARCH64/MdePkg/Library/BaseLib/BaseLib/OUTPUT/SwapBytes16.c.090t.bswap:16
bit bswap implementation found at: _7 = _4 | _6;
./Build/Fat/RELEASE_ARMGCC/AARCH64/MdePkg/Library/BaseLib/BaseLib/OUTPUT/SwapBytes16.c.090t.bswap:16
bit bswap implementation found at: _7 = _4 | _6;
All these conversion are fine and should have triggered with GCC 4.9 as
well.
Can you add -fdump-tree-bswap to CFLAGS in:
BaseTools/Conf/tools_def.template
BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile
BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile.cygwin
BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile
BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile.cygwin
BaseTools/Source/C/Makefiles/header.makefile
and tell me the result of:
find -name \*.bswap -exec grep -H "found at" {} \;
?
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https://bugs.launchpad.net/bugs/1489560
Title:
qemu-efi: hangs in kvm mode when built w/ gcc-5
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