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From d3cf45d15b2fabc767b2d10a0c6bb9fb845e4f99 Mon Sep 17 00:00:00 2001
From: Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
Date: Fri, 1 Oct 2021 10:06:45 +0100
Subject: [PATCH 2/4] aarch64: add armv9-a to -march
commit f0688d42c9b74a6999548ff2e79ae440b049b87f from upstream
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.
Upstream-Status: Backport
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>
---
gcc/config/aarch64/aarch64-arches.def | 1 +
gcc/config/aarch64/aarch64.h | 5 +++++
gcc/doc/invoke.texi | 3 +++
3 files changed, 9 insertions(+)
diff --git a/gcc/config/aarch64/aarch64-arches.def b/gcc/config/aarch64/aarch64-arches.def
index b7497277b..c47ca622c 100644
--- a/gcc/config/aarch64/aarch64-arches.def
+++ b/gcc/config/aarch64/aarch64-arches.def
@@ -38,5 +38,6 @@ AARCH64_ARCH("armv8.4-a", generic, 8_4A, 8, AARCH64_FL_FOR_ARCH8_4)
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-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 bfffbcd6a..b914bfb5c 100644
--- 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. */
/* Has FP and SIMD. */
#define AARCH64_FL_FPSIMD (AARCH64_FL_FP | AARCH64_FL_SIMD)
@@ -257,6 +259,8 @@ extern unsigned aarch64_architecture_version;
| AARCH64_FL_I8MM | AARCH64_FL_BF16)
#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. */
@@ -295,6 +299,7 @@ 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 c47cfd472..7184a62d0 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -18270,6 +18270,8 @@ 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{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
@@ -19692,6 +19694,7 @@ 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},
--
2.32.0
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