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authorMatthew Wahab <matthew.wahab@arm.com>2015-12-10 16:58:51 +0000
committerMatthew Wahab <matthew.wahab@arm.com>2015-12-10 17:00:27 +0000
commit22a5455c6ccaf6157095863f9e6da33a81541acf (patch)
tree094e7d4ffe83b699729c2e30e1c5024b85cefe8c /opcodes
parentb1236ac35aaad56d76a5670a5a22cc2be124a736 (diff)
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[Aarch64] Support ARMv8.2 AT instructions
ARMv8.2 adds new instructions AT S1E1RP and AT S1E1WP to Aarch64. This patch adds support for the instructions, making them available when -march=armv8.2-a is selected. gas/testsuite/ 2015-12-10 Matthew Wahab <matthew.wahab@arm.com> * gas/aarch64/sysreg-2.d: Update for new tests for AT S1E1RP and AT S1E1WP. * gas/aarch64/sysreg-2.s: Add tests for AT S1E1RP and AT S1E1WP. opcodes/ 2015-12-10 Matthew Wahab <matthew.wahab@arm.com> * aarch64-opc.c (aarch64_sys_regs_at): Add "s1e1rp" and "s1e1wp". (aarch64_sys_ins_reg_supported_p): Add ARMv8.2 system register feature test for "s1e1rp" and "s1e1wp". Change-Id: I09e1044b629ab0a34b03c423e8d4e71ff92daad4
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog6
-rw-r--r--opcodes/aarch64-opc.c8
2 files changed, 14 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 3d84fbe..aec423b 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,11 @@
2015-12-10 Matthew Wahab <matthew.wahab@arm.com>
+ * aarch64-opc.c (aarch64_sys_regs_at): Add "s1e1rp" and "s1e1wp".
+ (aarch64_sys_ins_reg_supported_p): Add ARMv8.2 system register
+ feature test for "s1e1rp" and "s1e1wp".
+
+2015-12-10 Matthew Wahab <matthew.wahab@arm.com>
+
* aarch64-opc.c (aarch64_sys_regs_dc): Add "cvap".
(aarch64_sys_ins_reg_supported_p): New.
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 86aeae0..b2f772e 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -3245,6 +3245,12 @@ aarch64_pstatefield_supported_p (const aarch64_feature_set features,
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
return FALSE;
+ /* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */
+ if ((reg->value == CPENS (0, C7, C9, 0)
+ || reg->value == CPENS (0, C7, C9, 1))
+ && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
+ return FALSE;
+
return TRUE;
}
@@ -3284,6 +3290,8 @@ const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
{ "s1e2w", CPENS (4, C7, C8, 1), F_HASXT },
{ "s1e3r", CPENS (6, C7, C8, 0), F_HASXT },
{ "s1e3w", CPENS (6, C7, C8, 1), F_HASXT },
+ { "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT },
+ { "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT },
{ 0, CPENS(0,0,0,0), 0 }
};