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authorAndrea Corallo <andrea.corallo@arm.com>2021-06-08 19:03:29 +0200
committerAndrea Corallo <andrea.corallo@arm.com>2021-07-26 14:18:24 +0200
commit5c43020d83f9f3529e71fcd19f3f78e0abcbe5ed (patch)
treeed692f9049d85590fb5d60e1601aa556b34d9079 /gas
parentbe05908c0c043bac81134da8beb3415996ae2416 (diff)
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PATCH [9/10] arm: add 'pacg' 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 '_pacg'. (do_t_pacbti_pacg): New function. (insns): Define 'pacg' insn. * testsuite/gas/arm/armv8_1-m-pacbti.d: Add 'pacg' test. * 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 'pacg'.
Diffstat (limited to 'gas')
-rw-r--r--gas/config/tc-arm.c14
-rw-r--r--gas/testsuite/gas/arm/armv8_1-m-pacbti.d1
-rw-r--r--gas/testsuite/gas/arm/armv8_1-m-pacbti.s1
3 files changed, 16 insertions, 0 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index cd65b25..40e9d2e 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -11513,6 +11513,7 @@ encode_thumb32_addr_mode (int i, bool is_t, bool is_d)
X(_orrs, 4300, ea500000), \
X(_pac, 0000, f3af801d), \
X(_pacbti, 0000, f3af800d), \
+ X(_pacg, 0000, fb60f000), \
X(_pop, bc00, e8bd0000), /* ldmia sp!,... */ \
X(_push, b400, e92d0000), /* stmdb sp!,... */ \
X(_rev, ba00, fa90f080), \
@@ -22357,6 +22358,18 @@ do_t_pacbti_nonop (void)
inst.instruction |= inst.operands[2].reg;
}
+static void
+do_t_pacbti_pacg (void)
+{
+ constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, pacbti_ext),
+ _(BAD_PACBTI));
+
+ inst.instruction = THUMB_OP32 (inst.instruction);
+ inst.instruction |= inst.operands[0].reg << 8;
+ inst.instruction |= inst.operands[1].reg << 16;
+ inst.instruction |= inst.operands[2].reg;
+}
+
/* Overall per-instruction processing. */
@@ -26351,6 +26364,7 @@ static const struct asm_opcode insns[] =
toU("bxaut", _bxaut, 3, (RR, RR, RR), t_pacbti_nonop),
toU("pac", _pac, 3, (R12, LR, SP), t_pacbti),
toU("pacbti", _pacbti, 3, (R12, LR, SP), t_pacbti),
+ toU("pacg", _pacg, 3, (RR, RR, RR), t_pacbti_pacg),
toU("cinc", _cinc, 3, (RRnpcsp, RR_ZR, COND), t_cond),
toU("cinv", _cinv, 3, (RRnpcsp, RR_ZR, COND), t_cond),
toU("cneg", _cneg, 3, (RRnpcsp, RR_ZR, COND), t_cond),
diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti.d b/gas/testsuite/gas/arm/armv8_1-m-pacbti.d
index 6ddf218..2e70822 100644
--- a/gas/testsuite/gas/arm/armv8_1-m-pacbti.d
+++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti.d
@@ -12,4 +12,5 @@ Disassembly of section .text:
0[0-9a-f]+ <[^>]+> f3af 801d pac r12, lr, sp
0[0-9a-f]+ <[^>]+> fb54 3f15 bxaut r3, r4, r5
0[0-9a-f]+ <[^>]+> fb54 3f05 autg r3, r4, r5
+0[0-9a-f]+ <[^>]+> fb64 f305 pacg r3, r4, r5
#...
diff --git a/gas/testsuite/gas/arm/armv8_1-m-pacbti.s b/gas/testsuite/gas/arm/armv8_1-m-pacbti.s
index eccd579..8d3a4a4 100644
--- a/gas/testsuite/gas/arm/armv8_1-m-pacbti.s
+++ b/gas/testsuite/gas/arm/armv8_1-m-pacbti.s
@@ -8,3 +8,4 @@
pac r12, lr, sp
bxaut r3, r4, r5
autg r3, r4, r5
+ pacg r3, r4, r5