[ARM 4/5 big.LITTLE] Add support for -mcpu=cortex-a57

gcc/
	* config/arm/arm-cores.def (cortex-a57): New.
	* doc/invoke.texi: Document -mcpu=cortex-a57.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-tune.md: Regenerate.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Handle -mcpu=cortex-a57.

From-SVN: r206048

gcc/ChangeLog

 2013-12-17  James Greenhalgh  <james.greenhalgh@arm.com>
 
+	* config/arm/arm-cores.def (cortex-a57): New.
+	* doc/invoke.texi: Document -mcpu=cortex-a57.
+	* config/arm/arm-tables.opt: Regenerate.
+	* config/arm/arm-tune.md: Regenerate.
+	* config/arm/bpabi.h (BE8_LINK_SPEC): Handle -mcpu=cortex-a57.
+
+2013-12-17  James Greenhalgh  <james.greenhalgh@arm.com>
+
 	* config/arm/arm-cores.def (cortex-a15.cortex-a7): New.
 	* doc/invoke.texi: Document -mcpu=cortex-a15.cortex-a7.
 	* config/arm/arm-tables.opt: Regenerate.

gcc/config/arm/arm-cores.def

@@ -153,3 +153,4 @@ ARM_CORE("cortex-a15.cortex-a7", cortexa15cortexa7, cortexa7,	7A,  FL_LDSCHED |
 
 /* V8 Architecture Processors */
 ARM_CORE("cortex-a53",	cortexa53, cortexa53,	8A, FL_LDSCHED, cortex_a53)
+ARM_CORE("cortex-a57",	cortexa57, cortexa15,	8A, FL_LDSCHED, cortex_a15)

gcc/config/arm/arm-tables.opt

@@ -288,6 +288,9 @@ Enum(processor_type) String(cortex-a15.cortex-a7) Value(cortexa15cortexa7)
 EnumValue
 Enum(processor_type) String(cortex-a53) Value(cortexa53)
 
+EnumValue
+Enum(processor_type) String(cortex-a57) Value(cortexa57)
+
 Enum
 Name(arm_arch) Type(int)
 Known ARM architectures (for use with the -march= option):

gcc/config/arm/arm-tune.md

@@ -30,5 +30,5 @@
 	cortexa15,cortexr4,cortexr4f,
 	cortexr5,cortexr7,cortexm4,
 	cortexm3,marvell_pj4,cortexa15cortexa7,
-	cortexa53"
+	cortexa53,cortexa57"
 	(const (symbol_ref "((enum attr_tune) arm_tune)")))

gcc/config/arm/bpabi.h

@@ -63,6 +63,7 @@
    |mcpu=cortex-a15.cortex-a7				\
    |mcpu=marvell-pj4					\
    |mcpu=cortex-a53					\
+   |mcpu=cortex-a57					\
    |mcpu=generic-armv7-a                                \
    |march=armv7-m|mcpu=cortex-m3                        \
    |march=armv7e-m|mcpu=cortex-m4                       \
@@ -77,6 +78,7 @@
    |mcpu=cortex-a12					\
    |mcpu=cortex-a15.cortex-a7				\
    |mcpu=cortex-a53					\
+   |mcpu=cortex-a57					\
    |mcpu=marvell-pj4					\
    |mcpu=generic-armv7-a                                \
    |march=armv7-m|mcpu=cortex-m3                        \

gcc/doc/invoke.texi

@@ -12157,7 +12157,8 @@ assembly code.  Permissible names are: @samp{arm2}, @samp{arm250},
 @samp{arm1136j-s}, @samp{arm1136jf-s}, @samp{mpcore}, @samp{mpcorenovfp},
 @samp{arm1156t2-s}, @samp{arm1156t2f-s}, @samp{arm1176jz-s}, @samp{arm1176jzf-s},
 @samp{cortex-a5}, @samp{cortex-a7}, @samp{cortex-a8}, @samp{cortex-a9},
-@samp{cortex-a12}, @samp{cortex-a15}, @samp{cortex-a53}, @samp{cortex-r4},
+@samp{cortex-a12}, @samp{cortex-a15}, @samp{cortex-a53}, @samp{cortex-a57},
+@samp{cortex-r4},
 @samp{cortex-r4f}, @samp{cortex-r5}, @samp{cortex-r7}, @samp{cortex-m4},
 @samp{cortex-m3},
 @samp{cortex-m1},