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[ARM 5/5 big.LITTLE] Add support for -mcpu=cortex-a57.cortex-a53

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gcc/

	* config/arm/arm-cores.def (cortex-a57.cortex-a53): New.
	* doc/invoke.texi: Document -mcpu=cortex-a57.cortex-a53.
	* config/arm/arm-tables.opt: Regenerate.
	* config/arm/arm-tune.md: Regenerate.
	* config/arm/bpabi.h
	(BE8_LINK_SPEC): Handle -mcpu=cortex-a57.cortex-a53.

From-SVN: r206049
This commit is contained in:
James Greenhalgh 2013-12-17 12:32:43 +00:00 • committed by James Greenhalgh
parent 222f9bd086
commit 7f8b9e3641
6 changed files with 20 additions and 3 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2013-12-17 James Greenhalgh <james.greenhalgh@arm.com>
* config/arm/arm-cores.def (cortex-a57.cortex-a53): New.
* doc/invoke.texi: Document -mcpu=cortex-a57.cortex-a53.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm-tune.md: Regenerate.
* config/arm/bpabi.h
(BE8_LINK_SPEC): Handle -mcpu=cortex-a57.cortex-a53.
2013-12-17 James Greenhalgh <james.greenhalgh@arm.com>
* config/arm/arm-cores.def (cortex-a57): New.

3
gcc/config/arm/arm-cores.def
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@ -154,3 +154,6 @@ 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)
/* V8 big.LITTLE implementations */
ARM_CORE("cortex-a57.cortex-a53", cortexa57cortexa53, cortexa53, 8A, FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV, cortex_a15)

3
gcc/config/arm/arm-tables.opt
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@ -291,6 +291,9 @@ Enum(processor_type) String(cortex-a53) Value(cortexa53)
EnumValue
Enum(processor_type) String(cortex-a57) Value(cortexa57)
EnumValue
Enum(processor_type) String(cortex-a57.cortex-a53) Value(cortexa57cortexa53)
Enum
Name(arm_arch) Type(int)
Known ARM architectures (for use with the -march= option):

2
gcc/config/arm/arm-tune.md
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@ -30,5 +30,5 @@
cortexa15,cortexr4,cortexr4f,
cortexr5,cortexr7,cortexm4,
cortexm3,marvell_pj4,cortexa15cortexa7,
cortexa53,cortexa57"
cortexa53,cortexa57,cortexa57cortexa53"
(const (symbol_ref "((enum attr_tune) arm_tune)")))

2
gcc/config/arm/bpabi.h
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@ -64,6 +64,7 @@
|mcpu=marvell-pj4 \
|mcpu=cortex-a53 \
|mcpu=cortex-a57 \
|mcpu=cortex-a57.cortex-a53 \
|mcpu=generic-armv7-a \
|march=armv7-m|mcpu=cortex-m3 \
|march=armv7e-m|mcpu=cortex-m4 \
@ -79,6 +80,7 @@
|mcpu=cortex-a15.cortex-a7 \
|mcpu=cortex-a53 \
|mcpu=cortex-a57 \
|mcpu=cortex-a57.cortex-a53 \
|mcpu=marvell-pj4 \
|mcpu=generic-armv7-a \
|march=armv7-m|mcpu=cortex-m3 \

4
gcc/doc/invoke.texi
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@ -12170,8 +12170,8 @@ assembly code. Permissible names are: @samp{arm2}, @samp{arm250},
@samp{fa606te}, @samp{fa626te}, @samp{fmp626}, @samp{fa726te}.
Additionally, this option can specify that GCC should tune the performance
of the code for a big.LITTLE system. The only permissible name is:
@samp{cortex-a15.cortex-a7}.
of the code for a big.LITTLE system. Permissible names are:
@samp{cortex-a15.cortex-a7}, @samp{cortex-a57.cortex-a53}.
@option{-mcpu=generic-@var{arch}} is also permissible, and is
equivalent to @option{-march=@var{arch} -mtune=generic-@var{arch}}.