aarch64: add armv9-a to -march

gcc/ChangeLog:

	* config/aarch64/aarch64-arches.def (AARCH64_ARCH): Added
	armv9-a.
	* config/aarch64/aarch64.h (AARCH64_FL_V9): New.
	(AARCH64_FL_FOR_ARCH9): New flags for Armv9-A.
	(AARCH64_ISA_V9): New ISA flag.
	* doc/invoke.texi: Update docs.

diff --git a/gcc/config/aarch64/aarch64-arches.def b/gcc/config/aarch64/aarch64-arches.def
index 91410e3..a3b32e0 100644 (file)
--- a/gcc/config/aarch64/aarch64-arches.def
+++ b/gcc/config/aarch64/aarch64-arches.def
@@ -39,5 +39,6 @@ AARCH64_ARCH("armv8.5-a",     generic,             8_5A,      8,  AARCH64_FL_FOR_ARCH8_5)
 AARCH64_ARCH("armv8.6-a",     generic,      8_6A,      8,  AARCH64_FL_FOR_ARCH8_6)
 AARCH64_ARCH("armv8.7-a",     generic,       8_7A,      8,  AARCH64_FL_FOR_ARCH8_7)
 AARCH64_ARCH("armv8-r",       generic,      8R  ,      8,  AARCH64_FL_FOR_ARCH8_R)
+AARCH64_ARCH("armv9-a",       generic,      9A  ,      9,  AARCH64_FL_FOR_ARCH9)
 
 #undef AARCH64_ARCH

diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 0c172c7..6908b8f 100644 (file)
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -230,6 +230,8 @@ extern unsigned aarch64_architecture_version;
 
 /* Pointer Authentication (PAUTH) extension.  */
 #define AARCH64_FL_PAUTH      (1ULL << 40)
+/* Armv9.0-A.  */
+#define AARCH64_FL_V9         (1ULL << 41)  /* Armv9.0-A Architecture.  */
 
 /* 64-byte atomic load/store extensions.  */
 #define AARCH64_FL_LS64      (1ULL << 41)
@@ -266,6 +268,8 @@ extern unsigned aarch64_architecture_version;
 
 #define AARCH64_FL_FOR_ARCH8_R     \
   (AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_V8_R)
+#define AARCH64_FL_FOR_ARCH9       \
+  (AARCH64_FL_FOR_ARCH8_5 | AARCH64_FL_SVE | AARCH64_FL_SVE2 | AARCH64_FL_V9)
 
 /* Macros to test ISA flags.  */
 
@@ -304,6 +308,7 @@ extern unsigned aarch64_architecture_version;
 #define AARCH64_ISA_SB            (aarch64_isa_flags & AARCH64_FL_SB)
 #define AARCH64_ISA_V8_R          (aarch64_isa_flags & AARCH64_FL_V8_R)
 #define AARCH64_ISA_PAUTH         (aarch64_isa_flags & AARCH64_FL_PAUTH)
+#define AARCH64_ISA_V9            (aarch64_isa_flags & AARCH64_FL_V9)
 
 /* Crypto is an optional extension to AdvSIMD.  */
 #define TARGET_CRYPTO (TARGET_SIMD && AARCH64_ISA_CRYPTO)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 718ce92..d0198d7 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -18570,7 +18570,8 @@ and the features that they enable by default:
 @item @samp{armv8.4-a} @tab Armv8.4-A @tab @samp{armv8.3-a}, @samp{+flagm}, @samp{+fp16fml}, @samp{+dotprod}
 @item @samp{armv8.5-a} @tab Armv8.5-A @tab @samp{armv8.4-a}, @samp{+sb}, @samp{+ssbs}, @samp{+predres}
 @item @samp{armv8.6-a} @tab Armv8.6-A @tab @samp{armv8.5-a}, @samp{+bf16}, @samp{+i8mm}
-@item @samp{armv8.7-a} @tab Armv8.7-a @tab @samp{armv8.6-a}, @samp{+ls64}
+@item @samp{armv8.7-a} @tab Armv8.7-A @tab @samp{armv8.6-a}, @samp{+ls64}
+@item @samp{armv9-a} @tab Armv9-A @tab @samp{armv8.5-a}, @samp{+sve}, @samp{+sve2}
 @item @samp{armv8-r} @tab Armv8-R @tab @samp{armv8-r}
 @end multitable
 
@@ -19989,6 +19990,7 @@ Permissible names are:
 @samp{armv8.4-a},
 @samp{armv8.5-a},
 @samp{armv8.6-a},
+@samp{armv9-a},
 @samp{armv7-r},
 @samp{armv8-r},
 @samp{armv6-m}, @samp{armv6s-m},