add option for the Samsung Exynos M1 core

	* doc/invoke.texi (ARM/mtune): Add "exynos-m1" as an option.
	* config/arm/arm.c (arm_issue_rate): Specify "3" for "exynosm1".
	* config/arm/arm-cores.def (exynos-m1): New core.
	* config/arm/arm-tune.md: Regenerate.
	* config/arm/arm-tables.opt: Add entry for "exynos-m1".
	* config/arm/bpabi.h: Likewise.

From-SVN: r221883

gcc/ChangeLog

+2015-04-06  Evandro Menezes  <e.menezes@samsung.com>
+
+	* doc/invoke.texi (ARM/mtune): Add "exynos-m1" as an option.
+	* config/arm/arm.c (arm_issue_rate): Specify "3" for "exynosm1".
+	* config/arm/arm-cores.def (exynos-m1): New core.
+	* config/arm/arm-tune.md: Regenerate.
+	* config/arm/arm-tables.opt: Add entry for "exynos-m1".
+	* config/arm/bpabi.h: Likewise.
+
 2015-04-06  Ilya Enkovich  <ilya.enkovich@intel.com>
 
 	* ipa-cp (set_single_call_flag): Remove too

gcc/config/arm/arm-cores.def

@@ -168,6 +168,7 @@ ARM_CORE("cortex-a17.cortex-a7", cortexa17cortexa7, cortexa7,	7A,  FL_LDSCHED |
 ARM_CORE("cortex-a53",	cortexa53, cortexa53,	8A, FL_LDSCHED | FL_CRC32, cortex_a53)
 ARM_CORE("cortex-a57",	cortexa57, cortexa57,	8A, FL_LDSCHED | FL_CRC32, cortex_a57)
 ARM_CORE("cortex-a72",	cortexa72, cortexa57,	8A, FL_LDSCHED | FL_CRC32, cortex_a57)
+ARM_CORE("exynos-m1",	exynosm1,  cortexa57,	8A, FL_LDSCHED | FL_CRC32, cortex_a57)
 ARM_CORE("xgene1",      xgene1,    xgene1,      8A, FL_LDSCHED,            xgene1)
 
 /* V8 big.LITTLE implementations */

gcc/config/arm/arm-tables.opt

@@ -313,6 +313,9 @@ EnumValue
 Enum(processor_type) String(cortex-a72) Value(cortexa72)
 
 EnumValue
+Enum(processor_type) String(exynos-m1) Value(exynosm1)
+
+EnumValue
 Enum(processor_type) String(xgene1) Value(xgene1)
 
 EnumValue

gcc/config/arm/arm-tune.md

@@ -33,5 +33,6 @@
 	cortexm7,cortexm4,cortexm3,
 	marvell_pj4,cortexa15cortexa7,cortexa17cortexa7,
 	cortexa53,cortexa57,cortexa72,
-	xgene1,cortexa57cortexa53,cortexa72cortexa53"
+	exynosm1,xgene1,cortexa57cortexa53,
+	cortexa72cortexa53"
 	(const (symbol_ref "((enum attr_tune) arm_tune)")))

gcc/config/arm/arm.c

@@ -27209,6 +27209,7 @@ arm_issue_rate (void)
 
     case cortexa15:
     case cortexa57:
+    case exynosm1:
       return 3;
 
     case cortexm7:

gcc/config/arm/bpabi.h

@@ -73,6 +73,7 @@
    |mcpu=cortex-a57.cortex-a53				\
    |mcpu=cortex-a72					\
    |mcpu=cortex-a72.cortex-a53				\
+   |mcpu=exynos-m1                                      \
    |mcpu=xgene1                                         \
    |mcpu=cortex-m1.small-multiply                       \
    |mcpu=cortex-m0.small-multiply                       \
@@ -97,6 +98,7 @@
    |mcpu=cortex-a57.cortex-a53				\
    |mcpu=cortex-a72					\
    |mcpu=cortex-a72.cortex-a53				\
+   |mcpu=exynos-m1                                      \
    |mcpu=xgene1                                         \
    |mcpu=cortex-m1.small-multiply                       \
    |mcpu=cortex-m0.small-multiply                       \

gcc/doc/invoke.texi

@@ -13211,6 +13211,7 @@ Permissible names are: @samp{arm2}, @samp{arm250},
 @samp{cortex-m1.small-multiply},
 @samp{cortex-m0.small-multiply},
 @samp{cortex-m0plus.small-multiply},
+@samp{exynos-m1},
 @samp{marvell-pj4},
 @samp{xscale}, @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312},
 @samp{fa526}, @samp{fa626},