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Sam Elliott 28145735f7 [RISCV] Avoid save-restore target feature warning 
Summary:
LLVM issues a warning if passed unknown target features. Neither I nor
@asb noticed this until after https://reviews.llvm.org/D63498 landed.

This patch stops passing the (unknown) "save-restore" target feature to
the LLVM backend, but continues to emit a warning if a driver asks for
`-msave-restore`. The default of assuming `-mno-save-restore` (and
emitting no warnings) remains.

Reviewers: asb

Reviewed By: asb

Subscribers: rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, jrtc27, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, psnobl, benna, Jim, cfe-commits, asb

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64008

llvm-svn: 364777
 		2019-07-01 14:53:56 +00:00
..
AArch64.cpp [AArch64] Support selecting TPIDR_EL[1-3] as the thread base 2019-03-29 13:32:41 +00:00
AArch64.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ARM.cpp [ARM] Fix bugs introduced by the fp64/d32 rework. 2019-06-07 12:42:54 +00:00
ARM.h [ARM] Allow "-march=foo+fp" to vary with foo 2019-06-05 13:12:01 +00:00
Mips.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Mips.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
PPC.cpp [PowerPC] Set the default PLT mode on musl to Secure PLT 2019-05-30 02:13:15 +00:00
PPC.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
RISCV.cpp [RISCV] Avoid save-restore target feature warning 2019-07-01 14:53:56 +00:00
RISCV.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Sparc.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Sparc.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
SystemZ.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
SystemZ.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
X86.cpp android: enable double-word CAS on x64 2019-06-25 21:43:34 +00:00
X86.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00