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authorAndrea Corallo <andrea.corallo@arm.com>2021-05-19 09:51:40 +0200
committerAndrea Corallo <andrea.corallo@arm.com>2021-07-26 14:18:24 +0200
commitce537a7db788ab002aa50750d456999bc45ff485 (patch)
treea49873c80324dc2ff7392b21c94efdea0a1e5acc /gas
parente43ca2cbaea6dcffa5e1c8ca052da36642336857 (diff)
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PATCH [4/10] arm: add 'pac' instruction for Armv8.1-M pacbti extension
gas/ 2021-06-11 Andrea Corallo <andrea.corallo@arm.com> * config/tc-arm.c (T16_32_TAB): Add '_pac'. (insns): Add 'pac' insn. * testsuite/gas/arm/armv8_1-m-pacbti-bad.l: Add pac tests. * testsuite/gas/arm/armv8_1-m-pacbti-bad.s: Likewise. * testsuite/gas/arm/armv8_1-m-pacbti.d: Likewise. * testsuite/gas/arm/armv8_1-m-pacbti.s: Likewise. opcodes/ 2021-06-11 Andrea Corallo <andrea.corallo@arm.com> * arm-dis.c (thumb32_opcodes): Add 'pac'.
Diffstat (limited to 'gas')
-rw-r--r--gas/config/tc-arm.c2
-rw-r--r--gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.l3
-rw-r--r--gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.s3
-rw-r--r--gas/testsuite/gas/arm/armv8_1-m-pacbti.d1
-rw-r--r--gas/testsuite/gas/arm/armv8_1-m-pacbti.s1
5 files changed, 10 insertions, 0 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index b5d2335..6ef0cd9 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -11506,6 +11506,7 @@ encode_thumb32_addr_mode (int i, bool is_t, bool is_d)
X(_negs, 4240, f1d00000), /* rsbs #0 */ \
X(_orr, 4300, ea400000), \
X(_orrs, 4300, ea500000), \
+ X(_pac, 0000, f3af801d), \
X(_pacbti, 0000, f3af800d), \
X(_pop, bc00, e8bd0000), /* ldmia sp!,... */ \
X(_push, b400, e92d0000), /* stmdb sp!,... */ \
@@ -26329,6 +26330,7 @@ static const struct asm_opcode insns[] =
#define THUMB_VARIANT & arm_ext_v8_1m_main
toU("aut", _aut, 3, (R12, LR, SP), t_pacbti),
ToU("bti", f3af800f, 0, (), noargs),
+ toU("pac", _pac, 3, (R12, LR, SP), t_pacbti),
toU("pacbti", _pacbti, 3, (R12, LR, SP), t_pacbti),
toU("cinc", _cinc, 3, (RRnpcsp, RR_ZR, COND), t_cond),
toU("cinv", _cinv, 3, (RRnpcsp, RR_ZR, COND), t_cond),
diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.l b/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.l
index 317e62f..f6f0d41 100644
--- a/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.l
+++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.l
@@ -5,3 +5,6 @@
.*:9: Error: operand must be r12 -- `aut r11,lr,sp'
.*:10: Error: operand must be LR register -- `aut r12,r10,sp'
.*:11: Error: operand must be SP register -- `aut r12,lr,r10'
+.*:12: Error: operand must be r12 -- `pac r11,lr,sp'
+.*:13: Error: operand must be LR register -- `pac r12,r10,sp'
+.*:14: Error: operand must be SP register -- `pac r12,lr,r10'
diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.s b/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.s
index c2ad204..4948f85 100644
--- a/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.s
+++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti-bad.s
@@ -9,3 +9,6 @@
aut r11, lr, sp
aut r12, r10, sp
aut r12, lr, r10
+ pac r11, lr, sp
+ pac r12, r10, sp
+ pac r12, lr, r10
diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti.d b/gas/testsuite/gas/arm/armv8_1-m-pacbti.d
index fe11d7e..9df123a 100644
--- a/gas/testsuite/gas/arm/armv8_1-m-pacbti.d
+++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti.d
@@ -9,4 +9,5 @@ Disassembly of section .text:
0[0-9a-f]+ <[^>]+> f3af 800f bti
0[0-9a-f]+ <[^>]+> f3af 800d pacbti r12, lr, sp
0[0-9a-f]+ <[^>]+> f3af 802d aut r12, lr, sp
+0[0-9a-f]+ <[^>]+> f3af 801d pac r12, lr, sp
#...
diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti.s b/gas/testsuite/gas/arm/armv8_1-m-pacbti.s
index 14b0414..38000c3 100644
--- a/gas/testsuite/gas/arm/armv8_1-m-pacbti.s
+++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti.s
@@ -5,3 +5,4 @@
bti
pacbti r12, lr, sp
aut r12, lr, sp
+ pac r12, lr, sp