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aarch64: Enable mandatory feature bits for v9.4-A.

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This patch fixes the mandatory feature bits in v9.4-a architectures,
by enabling FEAT_SVE2p1 for Armv9.4-A architecture by default.
This commit is contained in:
Srinath Parvathaneni
2024-06-25 11:25:26 +01:00
parent 8c438c8d08
commit 8e018c070c
6 changed files with 11 additions and 3 deletions
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2
gas/testsuite/gas/aarch64/sve2p1-1-bad.d
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@@ -1,4 +1,4 @@
#name: Illegal test of SVE2.1 min max instructions.
#as: -march=armv9.4-a
#as: -march=armv9.3-a
#source: sve2p1-1.s
#error_output: sve2p1-1-bad.l

2
gas/testsuite/gas/aarch64/sve2p1-1.d
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@@ -1,5 +1,5 @@
#name: Test of SVE2.1 instructions
#as: -march=armv9.4-a+sve2p1
#as: -march=armv9.4-a
#objdump: -dr
[^:]+: file format .*

4
gas/testsuite/gas/aarch64/sve2p1-2-bad.d Normal file
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@@ -0,0 +1,4 @@
#name: Illegal test of SVE2.1 instructions.
#as: -march=armv9.4-a+nosve2
#source: sve2p1-nosve2.s
#error_output: sve2p1-2-bad.l

2
gas/testsuite/gas/aarch64/sve2p1-2-bad.l Normal file
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@@ -0,0 +1,2 @@
.*: Assembler messages:
.*: Error: selected processor does not support `addqv v0.16b,p0,z16.b'

1
gas/testsuite/gas/aarch64/sve2p1-nosve2.s Normal file
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@@ -0,0 +1 @@
addqv v0.16b, p0, z16.b

3
include/opcode/aarch64.h
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@@ -359,7 +359,8 @@ enum aarch64_feature_bit {
#define AARCH64_ARCH_V9_1A_FEATURES(X) AARCH64_ARCH_V8_6A_FEATURES (X)
#define AARCH64_ARCH_V9_2A_FEATURES(X) AARCH64_ARCH_V8_7A_FEATURES (X)
#define AARCH64_ARCH_V9_3A_FEATURES(X) AARCH64_ARCH_V8_8A_FEATURES (X)
#define AARCH64_ARCH_V9_4A_FEATURES(X) AARCH64_ARCH_V8_9A_FEATURES (X)
#define AARCH64_ARCH_V9_4A_FEATURES(X) (AARCH64_ARCH_V8_9A_FEATURES (X) \
| AARCH64_FEATBIT (X, SVE2p1))
/* Architectures are the sum of the base and extensions. */
#define AARCH64_ARCH_V8A(X) (AARCH64_FEATBIT (X, V8) \