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* [AArch64] Support reserving arbitrary general purpose registersPetr Hosek2019-02-131-0/+90
| | | | | | | | | | | | This is a follow up to D48580 and D48581 which allows reserving arbitrary general purpose registers with the exception of registers with special purpose (X8, X16-X18, X29, X30) and registers used by LLVM (X0, X19). This change also generalizes some of the existing logic to rely entirely on values generated from tablegen. Differential Revision: https://reviews.llvm.org/D56305 llvm-svn: 353957
* [AArch64] Support reserving x1-7 registers.Tri Vo2018-09-121-0/+71
Summary: Reserving registers x1-7 is used to support CONFIG_ARM64_LSE_ATOMICS in Linux kernel. This change adds support for reserving registers x1 through x7. Reviewers: javed.absar, efriedma, nickdesaulniers, srhines, phosek Reviewed By: nickdesaulniers Subscribers: manojgupta, jfb, cfe-commits, kristof.beyls Differential Revision: https://reviews.llvm.org/D48581 llvm-svn: 342100
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