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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@303765 91177308-0d34-0410-b5e6-96231b3b80d8
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The `-target` impacts the CC for the builtins. HF targets (with either
floating point ABI) always use AAPCS VFP for the builtins unless they
are AEABI builtins, in which case they use AAPCS. Non-HF targets (with
either floating point ABI) always use AAPCS for the builtins and AAPCS
for the AEABI builtins. This introduces the thunks necessary to switch
CC for the floating point operations. This is not currently enabled,
and should be dependent on the target being used to build compiler-rt.
However, as a stop-gap, a define can be added for ASFLAGS to get the
thunks.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@291677 91177308-0d34-0410-b5e6-96231b3b80d8
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These routines do not require executable stacks. However, by default ELFish
linkers may assume an executable stack on GNUish environments (and some non-GNU
ones too!). The GNU extension to add a note to indicate a non-executable stack
is honoured by these environments to mark the stack as non-executable (the
compiler normally emits this directive on appropriate targets whenever
possible). This allows normal builds from getting executable stacks due to
linking to the compiler rt builtins.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@273500 91177308-0d34-0410-b5e6-96231b3b80d8
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The .align statements in ARM assembly routines is actually meant to be a power
of 2 alignment (e.g. .align 2 == 4 byte alignment, not 2). Switch to using
.p2align. .p2align is guaranteed to be a power-of-two alignment always and much
more explicit.
The .align in the case of x86_64 is byte alignment, use .balign instead of
.align.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208578 91177308-0d34-0410-b5e6-96231b3b80d8
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directory
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201393 91177308-0d34-0410-b5e6-96231b3b80d8
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