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3 Commits

Author SHA1 Message Date
Andrey Bokhanko 94e1d5831b [x86] Additional small fix for MCU psABI support 
This patch fixes one more thing in MCU psABI support: LongDoubleWidth should be set to 64.

Differential Revision: http://reviews.llvm.org/D14285

llvm-svn: 252156
 2015-11-05 12:43:09 +00:00
Andrey Bokhanko 158b8b898c [x86] Front-end part of MCU psABI support 
This patch implements two things in front-end for MCU psABI support:

1) "long double type is the same as double."
2) "New predefined C/C++ pre-processor symbols: iamcu and iamcu__.

Differential Revision: http://reviews.llvm.org/D14205

llvm-svn: 251786
 2015-11-02 09:54:17 +00:00
Michael Kuperstein 6890188ea3 [X86] Mark inregs correctly for MCU psABI 
The MCU psABI calling convention is somewhat, but not quite, like -mregparm 3.
In particular, the rules involving structs are different.

Differential Revision: http://reviews.llvm.org/D13978

llvm-svn: 251224
 2015-10-25 08:18:20 +00:00