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From b36c8c41cab42d3df45197bb287f06381d660001 Mon Sep 17 00:00:00 2001
From: xiezhiheng <xiezhiheng@huawei.com>
Date: Mon, 19 Feb 2024 19:27:29 +0800
Subject: [PATCH 008/157] [Backport][SME] Revert "aarch64: Define
__ARM_FEATURE_RCPC"
Reference: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=40a727379f3e8e6a83aea4e94c38dfa5dd8ef33d
Revert this commit to solve conflicts with later patches,
and will apply it later.
---
gcc/config/aarch64/aarch64-c.cc | 1 -
gcc/config/aarch64/aarch64-cores.def | 10 +++++-----
gcc/config/aarch64/aarch64.h | 4 +---
.../gcc.target/aarch64/pragma_cpp_predefs_1.c | 20 -------------------
4 files changed, 6 insertions(+), 29 deletions(-)
diff --git a/gcc/config/aarch64/aarch64-c.cc b/gcc/config/aarch64/aarch64-c.cc
index 90d45e45d..3d2fb5ec2 100644
--- a/gcc/config/aarch64/aarch64-c.cc
+++ b/gcc/config/aarch64/aarch64-c.cc
@@ -202,7 +202,6 @@ aarch64_update_cpp_builtins (cpp_reader *pfile)
"__ARM_FEATURE_BF16_SCALAR_ARITHMETIC", pfile);
aarch64_def_or_undef (TARGET_LS64,
"__ARM_FEATURE_LS64", pfile);
- aarch64_def_or_undef (AARCH64_ISA_RCPC, "__ARM_FEATURE_RCPC", pfile);
/* Not for ACLE, but required to keep "float.h" correct if we switch
target between implementations that do or do not support ARMv8.2-A
diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def
index 70b11eb80..842d64932 100644
--- a/gcc/config/aarch64/aarch64-cores.def
+++ b/gcc/config/aarch64/aarch64-cores.def
@@ -134,17 +134,17 @@ AARCH64_CORE("tsv110", tsv110, tsv110, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_
/* ARMv8.3-A Architecture Processors. */
/* Marvell cores (TX3). */
-AARCH64_CORE("thunderx3t110", thunderx3t110, thunderx3t110, 8_3A, AARCH64_FL_FOR_ARCH8_3 | AARCH64_FL_CRYPTO | AARCH64_FL_SM4 | AARCH64_FL_SHA3 | AARCH64_FL_F16FML | AARCH64_FL_RCPC8_4, thunderx3t110, 0x43, 0x0b8, 0x0a)
+AARCH64_CORE("thunderx3t110", thunderx3t110, thunderx3t110, 8_3A, AARCH64_FL_FOR_ARCH8_3 | AARCH64_FL_CRYPTO | AARCH64_FL_RCPC | AARCH64_FL_SM4 | AARCH64_FL_SHA3 | AARCH64_FL_F16FML | AARCH64_FL_RCPC8_4, thunderx3t110, 0x43, 0x0b8, 0x0a)
/* ARMv8.4-A Architecture Processors. */
/* Arm ('A') cores. */
-AARCH64_CORE("zeus", zeus, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_SVE | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_F16 | AARCH64_FL_PROFILE | AARCH64_FL_SSBS | AARCH64_FL_RNG, neoversev1, 0x41, 0xd40, -1)
-AARCH64_CORE("neoverse-v1", neoversev1, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_SVE | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_F16 | AARCH64_FL_PROFILE | AARCH64_FL_SSBS | AARCH64_FL_RNG, neoversev1, 0x41, 0xd40, -1)
-AARCH64_CORE("neoverse-512tvb", neoverse512tvb, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_SVE | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_F16 | AARCH64_FL_PROFILE | AARCH64_FL_SSBS | AARCH64_FL_RNG, neoverse512tvb, INVALID_IMP, INVALID_CORE, -1)
+AARCH64_CORE("zeus", zeus, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_SVE | AARCH64_FL_RCPC | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_F16 | AARCH64_FL_PROFILE | AARCH64_FL_SSBS | AARCH64_FL_RNG, neoversev1, 0x41, 0xd40, -1)
+AARCH64_CORE("neoverse-v1", neoversev1, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_SVE | AARCH64_FL_RCPC | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_F16 | AARCH64_FL_PROFILE | AARCH64_FL_SSBS | AARCH64_FL_RNG, neoversev1, 0x41, 0xd40, -1)
+AARCH64_CORE("neoverse-512tvb", neoverse512tvb, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_SVE | AARCH64_FL_RCPC | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_F16 | AARCH64_FL_PROFILE | AARCH64_FL_SSBS | AARCH64_FL_RNG, neoverse512tvb, INVALID_IMP, INVALID_CORE, -1)
/* Qualcomm ('Q') cores. */
-AARCH64_CORE("saphira", saphira, saphira, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_CRYPTO, saphira, 0x51, 0xC01, -1)
+AARCH64_CORE("saphira", saphira, saphira, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_CRYPTO | AARCH64_FL_RCPC, saphira, 0x51, 0xC01, -1)
/* ARMv8-A big.LITTLE implementations. */
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 42aae37ef..7c090c8f2 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -262,8 +262,7 @@
#define AARCH64_FL_FOR_ARCH8_2 \
(AARCH64_FL_FOR_ARCH8_1 | AARCH64_FL_V8_2)
#define AARCH64_FL_FOR_ARCH8_3 \
- (AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_V8_3 | AARCH64_FL_PAUTH \
- | AARCH64_FL_RCPC)
+ (AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_V8_3 | AARCH64_FL_PAUTH)
#define AARCH64_FL_FOR_ARCH8_4 \
(AARCH64_FL_FOR_ARCH8_3 | AARCH64_FL_V8_4 | AARCH64_FL_F16FML \
| AARCH64_FL_DOTPROD | AARCH64_FL_RCPC8_4 | AARCH64_FL_FLAGM)
@@ -314,7 +313,6 @@
#define AARCH64_ISA_SM4 (aarch64_isa_flags & AARCH64_FL_SM4)
#define AARCH64_ISA_SHA3 (aarch64_isa_flags & AARCH64_FL_SHA3)
#define AARCH64_ISA_F16FML (aarch64_isa_flags & AARCH64_FL_F16FML)
-#define AARCH64_ISA_RCPC (aarch64_isa_flags & AARCH64_FL_RCPC)
#define AARCH64_ISA_RCPC8_4 (aarch64_isa_flags & AARCH64_FL_RCPC8_4)
#define AARCH64_ISA_RNG (aarch64_isa_flags & AARCH64_FL_RNG)
#define AARCH64_ISA_V8_5 (aarch64_isa_flags & AARCH64_FL_V8_5)
diff --git a/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_1.c b/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_1.c
index 307fa3d67..bfb044f5d 100644
--- a/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_1.c
+++ b/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_1.c
@@ -248,26 +248,6 @@
#error "__ARM_FEATURE_CRC32 is not defined but should be!"
#endif
-#pragma GCC target ("arch=armv8.2-a")
-#ifdef __ARM_FEATURE_RCPC
-#error "__ARM_FEATURE_RCPC is defined but should not be!"
-#endif
-
-#pragma GCC target ("arch=armv8.2-a+rcpc")
-#ifndef __ARM_FEATURE_RCPC
-#error "__ARM_FEATURE_RCPC is not defined but should be!"
-#endif
-
-#pragma GCC target ("+norcpc")
-#ifdef __ARM_FEATURE_RCPC
-#error "__ARM_FEATURE_RCPC is defined but should not be!"
-#endif
-
-#pragma GCC target ("arch=armv8.3-a")
-#ifndef __ARM_FEATURE_RCPC
-#error "__ARM_FEATURE_RCPC is not defined but should be!"
-#endif
-
int
foo (int a)
{
--
2.33.0
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