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

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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6169639..b618d5e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,14 @@
 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.
        * doc/invoke.texi: Document -mcpu=cortex-a57.
        * config/arm/arm-tables.opt: Regenerate.

diff --git a/gcc/config/arm/arm-cores.def b/gcc/config/arm/arm-cores.def
index d5e562b..9bd3f39 100644 (file)
--- a/gcc/config/arm/arm-cores.def
+++ b/gcc/config/arm/arm-cores.def
@@ -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)

diff --git a/gcc/config/arm/arm-tables.opt b/gcc/config/arm/arm-tables.opt
index 03c1560..702338c 100644 (file)
--- a/gcc/config/arm/arm-tables.opt
+++ b/gcc/config/arm/arm-tables.opt
@@ -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):

diff --git a/gcc/config/arm/arm-tune.md b/gcc/config/arm/arm-tune.md
index d56956d..954cab8 100644 (file)
--- a/gcc/config/arm/arm-tune.md
+++ b/gcc/config/arm/arm-tune.md
@@ -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)")))

diff --git a/gcc/config/arm/bpabi.h b/gcc/config/arm/bpabi.h
index 796003b..5cfaeb8 100644 (file)
--- a/gcc/config/arm/bpabi.h
+++ b/gcc/config/arm/bpabi.h
@@ -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                        \

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 9743387..b102e13 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -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}}.