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[AArch64] Add support for -mcpu=cortex-a72

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2015-02-04  Matthew Wahab  <matthew.wahab@arm.com>

  gcc/
    * config/aarch64/aarch64-cores.def: Add cortex-a72 and
    cortex-a72.cortex-a53.
    * config/aarch64/aarch64-tune.md: Regenerate.
    * doc/invoke.texi (AArch64 Options/-mtune): Add "cortex-a72".

From-SVN: r220413
This commit is contained in:
Matthew Wahab
2015-02-04 19:25:46 +00:00
committed by Jiong Wang
parent a4be4e91d2
commit d8f70d78cb
4 changed files with 14 additions and 5 deletions
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7
gcc/ChangeLog
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@@ -1,3 +1,10 @@
2015-02-04 Matthew Wahab <matthew.wahab@arm.com>
* config/aarch64/aarch64-cores.def: Add cortex-a72 and
cortex-a72.cortex-a53.
* config/aarch64/aarch64-tune.md: Regenerate.
* doc/invoke.texi (AArch64 Options/-mtune): Add "cortex-a72".
2015-02-04 Nick Clifton <nickc@redhat.com>
* config/rl78/rl78.c (rl78_note_reg_set): Note the use of REGs

2
gcc/config/aarch64/aarch64-cores.def
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@@ -36,9 +36,11 @@
AARCH64_CORE("cortex-a53", cortexa53, cortexa53, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa53)
AARCH64_CORE("cortex-a57", cortexa57, cortexa57, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa57)
AARCH64_CORE("cortex-a72", cortexa72, cortexa57, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa57)
AARCH64_CORE("thunderx", thunderx, thunderx, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, thunderx)
AARCH64_CORE("xgene1", xgene1, xgene1, 8, AARCH64_FL_FOR_ARCH8, xgene1)
/* V8 big.LITTLE implementations. */
AARCH64_CORE("cortex-a57.cortex-a53", cortexa57cortexa53, cortexa53, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa57)
AARCH64_CORE("cortex-a72.cortex-a53", cortexa72cortexa53, cortexa53, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa57)

2
gcc/config/aarch64/aarch64-tune.md
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@@ -1,5 +1,5 @@
;; -*- buffer-read-only: t -*-
;; Generated automatically by gentune.sh from aarch64-cores.def
(define_attr "tune"
"cortexa53,cortexa57,thunderx,xgene1,cortexa57cortexa53"
"cortexa53,cortexa57,cortexa72,thunderx,xgene1,cortexa57cortexa53,cortexa72cortexa53"
(const (symbol_ref "((enum attr_tune) aarch64_tune)")))

8
gcc/doc/invoke.texi
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@@ -12098,12 +12098,12 @@ architecture.
@opindex mtune
Specify the name of the target processor for which GCC should tune the
performance of the code. Permissible values for this option are:
@samp{generic}, @samp{cortex-a53}, @samp{cortex-a57}, @samp{thunderx},
@samp{xgene1}.
@samp{generic}, @samp{cortex-a53}, @samp{cortex-a57},
@samp{cortex-a72}, @samp{thunderx}, @samp{xgene1}.
Additionally, this option can specify that GCC should tune the performance
of the code for a big.LITTLE system. The only permissible value is
@samp{cortex-a57.cortex-a53}.
of the code for a big.LITTLE system. Permissible values for this
option are: @samp{cortex-a57.cortex-a53}, @samp{cortex-a72.cortex-a53}.
Where none of @option{-mtune=}, @option{-mcpu=} or @option{-march=}
are specified, the code is tuned to perform well across a range