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Author SHA1 Message Date
Petr Hosek 934e5d5436 [AArch64] Reserve x18 register on Fuchsia 
This register is reserved as a platform register on Fuchsia.

Differential Revision: https://reviews.llvm.org/D45105

llvm-svn: 328950
 2018-04-01 23:44:04 +00:00
Petr Hosek c3a9e6db38 [AArch64] Allow global register asm("x18") or asm("w18") under -ffixed-x18 
When using -ffixed-x18, the x18 (or w18) register can safely be used
with the "global register variable" GCC extension, but the backend
fails to recognize it.

Patch by Roland McGrath.

Differential Revision: https://reviews.llvm.org/D31793

llvm-svn: 299799
 2017-04-07 20:41:58 +00:00