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Author SHA1 Message Date
Eli Friedman 0d586d06a7 [compiler-rt] Add back ARM EABI aliases where legal. 
r303188 removed all the uses of aliases for EABI functions from
compiler-rt, because some of them had mismatched calling conventions.
Obviously, we can't use aliases for functions which don't have the same
calling convention, but that's only an issue for floating-point
functions with the hardfloat ABI.  In other cases, the stubs increase
size and reduce performance for no benefit.

This patch adds back the aliases, with appropriate checks to make sure
they're only used in cases where the calling convention matches.

llvm-svn: 314851
 2017-10-03 21:25:07 +00:00
Saleem Abdulrasool 36ac5ddff7 builtins: expand out the AEABI function stubs 
These actually may change calling conventions.  We cannot simply provide
function aliases as the aliased function may have a different calling
convention.  Provide a forwarding function instead to permit the
compiler to synthesize the calling convention adjustment thunk.

Remove the `ARM_EABI_FNALIAS` macro as that is not safe to use.

Resolves PR33030!

llvm-svn: 303188
 2017-05-16 16:41:37 +00:00
Joerg Sonnenberger 7610e8c822 Refactor extendsfdf2. 
Patch by: GuanHong Liu
Differential Revision: http://reviews.llvm.org/D3887

llvm-svn: 209781
 2014-05-29 00:54:26 +00:00
Joerg Sonnenberger 6e99daab4c Consistently use COMPILER_RT_ABI for all public symbols. 
Move prototypes into headers and fix a few inconsistencies.

llvm-svn: 202591
 2014-03-01 15:30:50 +00:00
Alexey Samsonov a6b264b51d Move original compiler-rt functions (libgcc replacement) to lib/builtins directory 
llvm-svn: 201393
 2014-02-14 09:20:33 +00:00