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

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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 74728f83d16b9f2da6a41520738f62e1badfee17..2507b892ee35296f4130d5b78f4ddded0dd45c5f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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

diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def
index f978eb1d3866487a1a865743888ee03155dd4016..9b2eca27726efec8cf638446db65f0557d6860ce 100644 (file)
--- a/gcc/config/aarch64/aarch64-cores.def
+++ b/gcc/config/aarch64/aarch64-cores.def
@@ -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)

diff --git a/gcc/config/aarch64/aarch64-tune.md b/gcc/config/aarch64/aarch64-tune.md
index 80f59c84ef91bb629a194fe5d7a9fb5aecdccfa3..c3305f9935ce9fcd4b372e324cda7de133cf1a72 100644 (file)
--- a/gcc/config/aarch64/aarch64-tune.md
+++ b/gcc/config/aarch64/aarch64-tune.md
@@ -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)")))

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 0aae187374001427fa7fc351e89646d750aaa453..e74c6bb04285cb8f2480064a5e9330ed04bafdf5 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -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