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gcc/
2017-03-10 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-arch.h (arc_tune_attr): Add new tune parameters
for ARCHS4x.
* config/arc/arc-cpus.def (hs4x): New cpu.
(hs4xd): Likewise.
* config/arc/arc-tables.opt: Regenerate.
* config/arc/arc.c (arc_sched_issue_rate): New function.
(TARGET_SCHED_ISSUE_RATE): Define.
(TARGET_SCHED_EXPOSED_PIPELINE): Likewise.
* config/arc/arc.md (attr type): Add fpu_fuse, fpu_sdiv, fpu_ddiv,
fpu_cvt.
(attr tune): Add ARCHS4x tune values.
(attr tune_dspmpy): Define.
(*tst): Correct instruction type.
* config/arc/arcHS.md: Don't use this automaton for ARCHS4x cpus.
* config/arc/arcHS4x.md: New file.
* config/arc/fpu.md: Update instruction type attributes.
* config/arc/t-multilib: Regenerate.
From-SVN: r262688
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