* doc/invoke.texi (-mcpu=power8): Document.

	* config.in (HAVE_AS_POWER8): New.
	* config.gcc: Add cpu_type power8.
	* configure.ac: (HAVE_AS_POWER8): Check for assembler support for
	the POWER8 instructions.
	* configure: Regenerate.
	* config/rs6000/rs6000.h: (ASM_CPU_POWER8_SPEC): Define.
	(ASM_CPU_SPEC): Pass %(asm_cpu_power8) for -mcpu=power8.
	(EXTRA_SPECS): Add asm_cpu_power8 spec string.
	* config/rs6000/rs6000-cpus.def (processor_target_table): Alias
	POWER8 to POWER7.
	* config/rs6000/rs6000-tables.opt: Regenerate.
	* config/rs6000/driver-rs6000.c (ASM_CPU_SPEC): For -mcpu=power8,
	pass %(asm_cpu_power8)/-mpwr8.
	* config/rs6000/aix53.h: Likewise.
	* config/rs6000/aix61.h: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193307 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 22 insertions, 3 deletions

diff --git a/gcc/config/rs6000/aix53.h b/gcc/config/rs6000/aix53.h
index 7faba731846..baafb51af29 100644
--- a/gcc/config/rs6000/aix53.h
+++ b/gcc/config/rs6000/aix53.h
@@ -62,6 +62,7 @@ do {									\
 %{mcpu=power6: -mpwr6} \
 %{mcpu=power6x: -mpwr6} \
 %{mcpu=power7: -mpwr7} \
+%{mcpu=power8: -mpwr8} \
 %{mcpu=powerpc: -mppc} \
 %{mcpu=rs64a: -mppc} \
 %{mcpu=603: -m603} \
diff --git a/gcc/config/rs6000/aix61.h b/gcc/config/rs6000/aix61.h
index 8de6fee3fd9..3fa48a8b9f6 100644
--- a/gcc/config/rs6000/aix61.h
+++ b/gcc/config/rs6000/aix61.h
@@ -62,6 +62,7 @@ do {									\
 %{mcpu=power6: -mpwr6} \
 %{mcpu=power6x: -mpwr6} \
 %{mcpu=power7: -mpwr7} \
+%{mcpu=power8: -mpwr8} \
 %{mcpu=powerpc: -mppc} \
 %{mcpu=rs64a: -mppc} \
 %{mcpu=603: -m603} \
diff --git a/gcc/config/rs6000/driver-rs6000.c b/gcc/config/rs6000/driver-rs6000.c
index 5f24ee7d23d..13381168e8e 100644
--- a/gcc/config/rs6000/driver-rs6000.c
+++ b/gcc/config/rs6000/driver-rs6000.c
@@ -354,6 +354,7 @@ static const struct asm_name asm_names[] = {
   { "power6",	"-mpwr6" },
   { "power6x",	"-mpwr6" },
   { "power7",	"-mpwr7" },
+  { "power8",	"-mpwr8" },
   { "powerpc",	"-mppc" },
   { "rs64a",	"-mppc" },
   { "603",	"-m603" },
@@ -379,6 +380,7 @@ static const struct asm_name asm_names[] = {
   { "power6",	"%(asm_cpu_power6) -maltivec" },
   { "power6x",	"%(asm_cpu_power6) -maltivec" },
   { "power7",	"%(asm_cpu_power7)" },
+  { "power8",	"%(asm_cpu_power8)" },
   { "powerpc",	"-mppc" },
   { "rs64a",	"-mppc64" },
   { "401",	"-mppc" },
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index a0aadf1cf3e..9119f30d894 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -166,6 +166,10 @@ RS6000_CPU ("power7", PROCESSOR_POWER7,   /* Don't add MASK_ISEL by default */
 	    POWERPC_7400_MASK | MASK_POWERPC64 | MASK_PPC_GPOPT | MASK_MFCRF
 	    | MASK_POPCNTB | MASK_FPRND | MASK_CMPB | MASK_DFP | MASK_POPCNTD
 	    | MASK_VSX | MASK_RECIP_PRECISION)
+RS6000_CPU ("power8", PROCESSOR_POWER7,   /* Don't add MASK_ISEL by default */
+	    POWERPC_7400_MASK | MASK_POWERPC64 | MASK_PPC_GPOPT | MASK_MFCRF
+	    | MASK_POPCNTB | MASK_FPRND | MASK_CMPB | MASK_DFP | MASK_POPCNTD
+	    | MASK_VSX | MASK_RECIP_PRECISION)
 RS6000_CPU ("powerpc", PROCESSOR_POWERPC, 0)
 RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, MASK_PPC_GFXOPT | MASK_POWERPC64)
 RS6000_CPU ("rs64", PROCESSOR_RS64A, MASK_PPC_GFXOPT | MASK_POWERPC64)
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index f63d9c4f6cc..001988140d2 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -177,11 +177,14 @@ EnumValue
 Enum(rs6000_cpu_opt_value) String(power7) Value(49)
 
 EnumValue
-Enum(rs6000_cpu_opt_value) String(powerpc) Value(50)
+Enum(rs6000_cpu_opt_value) String(power8) Value(50)
 
 EnumValue
-Enum(rs6000_cpu_opt_value) String(powerpc64) Value(51)
+Enum(rs6000_cpu_opt_value) String(powerpc) Value(51)
 
 EnumValue
-Enum(rs6000_cpu_opt_value) String(rs64) Value(52)
+Enum(rs6000_cpu_opt_value) String(powerpc64) Value(52)
+
+EnumValue
+Enum(rs6000_cpu_opt_value) String(rs64) Value(53)
 
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index d299e631370..f7b0be27776 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -89,6 +89,12 @@
 #define ASM_CPU_POWER7_SPEC "-mpower4 -maltivec"
 #endif
 
+#ifdef HAVE_AS_POWER8
+#define ASM_CPU_POWER8_SPEC "-mpower8"
+#else
+#define ASM_CPU_POWER8_SPEC "-mpower4 -maltivec"
+#endif
+
 #ifdef HAVE_AS_DCI
 #define ASM_CPU_476_SPEC "-m476"
 #else
@@ -112,6 +118,7 @@
 %{mcpu=power6: %(asm_cpu_power6) -maltivec} \
 %{mcpu=power6x: %(asm_cpu_power6) -maltivec} \
 %{mcpu=power7: %(asm_cpu_power7)} \
+%{mcpu=power8: %(asm_cpu_power8)} \
 %{mcpu=a2: -ma2} \
 %{mcpu=powerpc: -mppc} \
 %{mcpu=rs64a: -mppc64} \
@@ -184,6 +191,7 @@
   { "asm_cpu_power5",		ASM_CPU_POWER5_SPEC },			\
   { "asm_cpu_power6",		ASM_CPU_POWER6_SPEC },			\
   { "asm_cpu_power7",		ASM_CPU_POWER7_SPEC },			\
+  { "asm_cpu_power8",		ASM_CPU_POWER8_SPEC },			\
   { "asm_cpu_476",		ASM_CPU_476_SPEC },			\
   SUBTARGET_EXTRA_SPECS