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authorMatthew Gretton-Dann <matthew.gretton-dann@arm.com>2012-08-24 08:03:39 +0000
committerMatthew Gretton-Dann <matthew.gretton-dann@arm.com>2012-08-24 08:03:39 +0000
commit9eb6c0f132631312886f7084d96448e46a053fb8 (patch)
tree003aba8f43552c1b6ada1389ea3ee863e0858fa5 /gas/config/tc-arm.c
parent8884b7208b371aa604ceab383380956c687065ee (diff)
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* gas/config/tc-arm.c (do_rm_rn): New function.
(do_strlex): Likewise. (do_t_strlex): Likewise. (insns): Add support for LDRA/STRL instructions. * gas/testsuite/gas/arm/armv8-a-bad.l: Update testcase. * gas/testsuite/gas/arm/armv8-a-bad.s: Likewise. * gas/testsuite/gas/arm/armv8-a.d: Likewise. * gas/testsuite/gas/arm/armv8-a.s: Likewise. * opcodes/arm-dis.c (arm_opcodes): Add LDRA/STRL instructions. (thumb32_opcodes): Likewise. (print_arm_insn): Add support for %<>T formatter.
Diffstat (limited to 'gas/config/tc-arm.c')
-rw-r--r--gas/config/tc-arm.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index d98944b..93542e3 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -7383,6 +7383,13 @@ do_rd_rm (void)
}
static void
+do_rm_rn (void)
+{
+ inst.instruction |= inst.operands[0].reg;
+ inst.instruction |= inst.operands[1].reg << 16;
+}
+
+static void
do_rd_rn (void)
{
inst.instruction |= inst.operands[0].reg << 12;
@@ -8729,6 +8736,25 @@ do_strexd (void)
inst.instruction |= inst.operands[3].reg << 16;
}
+/* ARM V8 STRL. */
+static void
+do_strlex (void)
+{
+ constraint (inst.operands[0].reg == inst.operands[1].reg
+ || inst.operands[0].reg == inst.operands[2].reg, BAD_OVERLAP);
+
+ do_rd_rm_rn ();
+}
+
+static void
+do_t_strlex (void)
+{
+ constraint (inst.operands[0].reg == inst.operands[1].reg
+ || inst.operands[0].reg == inst.operands[2].reg, BAD_OVERLAP);
+
+ do_rm_rd_rn ();
+}
+
/* ARM V6 SXTAH extracts a 16-bit value from a register, sign
extends it to 32-bits, and adds the result to a value in another
register. You can specify a rotation by 0, 8, 16, or 24 bits
@@ -17991,6 +18017,25 @@ static const struct asm_opcode insns[] =
tCE("sevl", 320f005, _sevl, 0, (), noargs, t_hint),
TUE("hlt", 1000070, ba80, 1, (oIffffb), bkpt, t_hlt),
+ TCE("ldraex", 1900e9f, e8d00fef, 2, (RRnpc, RRnpcb), rd_rn, rd_rn),
+ TCE("ldraexd", 1b00e9f, e8d000ff, 3, (RRnpc, oRRnpc, RRnpcb),
+ ldrexd, t_ldrexd),
+ TCE("ldraexb", 1d00e9f, e8d00fcf, 2, (RRnpc,RRnpcb), rd_rn, rd_rn),
+ TCE("ldraexh", 1f00e9f, e8d00fdf, 2, (RRnpc, RRnpcb), rd_rn, rd_rn),
+ TCE("strlex", 1800e90, e8c00fe0, 3, (RRnpc, RRnpc, RRnpcb),
+ strlex, t_strlex),
+ TCE("strlexd", 1a00e90, e8c000f0, 4, (RRnpc, RRnpc, oRRnpc, RRnpcb),
+ strexd, t_strexd),
+ TCE("strlexb", 1c00e90, e8c00fc0, 3, (RRnpc, RRnpc, RRnpcb),
+ strlex, t_strlex),
+ TCE("strlexh", 1e00e90, e8c00fd0, 3, (RRnpc, RRnpc, RRnpcb),
+ strlex, t_strlex),
+ TCE("ldra", 1900c9f, e8d00faf, 2, (RRnpc, RRnpcb), rd_rn, rd_rn),
+ TCE("ldrab", 1d00c9f, e8d00f8f, 2, (RRnpc, RRnpcb), rd_rn, rd_rn),
+ TCE("ldrah", 1f00c9f, e8d00f9f, 2, (RRnpc, RRnpcb), rd_rn, rd_rn),
+ TCE("strl", 180fc90, e8c00faf, 2, (RRnpc, RRnpcb), rm_rn, rd_rn),
+ TCE("strlb", 1c0fc90, e8c00f8f, 2, (RRnpc, RRnpcb), rm_rn, rd_rn),
+ TCE("strlh", 1e0fc90, e8c00f9f, 2, (RRnpc, RRnpcb), rm_rn, rd_rn),
/* ARMv8 T32 only. */
#undef ARM_VARIANT