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authorJose E. Marchesi <jose.marchesi@oracle.com>2017-10-06 11:49:39 +0200
committerJose E. Marchesi <jose.marchesi@oracle.com>2017-10-06 11:51:15 +0200
commit2f924de654ff8f719faf60b84948397809baaac6 (patch)
tree7d87812c60caf12af52b638584b0778daa32ed8d
parentff38b4cc55dade4c9970cac2149a946d5dc0adc7 (diff)
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gdb: Fix decoding of ARM neon memory hint insns.
gdb/ChangeLog: 2017-10-05 Jose E. Marchesi <jose.marchesi@oracle.com> PR build/22188 * arm-tdep.c (arm_decode_misc_memhint_neon): Fix decoding of CPS and SETEND.
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/arm-tdep.c4
2 files changed, 8 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 59eb04a..966472c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2017-10-05 Jose E. Marchesi <jose.marchesi@oracle.com>
+
+ PR build/22188
+ * arm-tdep.c (arm_decode_misc_memhint_neon): Fix decoding of CPS
+ and SETEND.
+
2017-10-05 Pedro Alves <palves@redhat.com>
* linux-nat.c (linux_child_follow_fork): When following the parent
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 2709321..d8569e0 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -6406,9 +6406,9 @@ arm_decode_misc_memhint_neon (struct gdbarch *gdbarch, uint32_t insn,
unsigned int op1 = bits (insn, 20, 26), op2 = bits (insn, 4, 7);
unsigned int rn = bits (insn, 16, 19);
- if (op1 == 0x10 && (op2 & 0x2) == 0x0 && (rn & 0xe) == 0x0)
+ if (op1 == 0x10 && (op2 & 0x2) == 0x0 && (rn & 0x1) == 0x0)
return arm_copy_unmodified (gdbarch, insn, "cps", dsc);
- else if (op1 == 0x10 && op2 == 0x0 && (rn & 0xe) == 0x1)
+ else if (op1 == 0x10 && op2 == 0x0 && (rn & 0x1) == 0x1)
return arm_copy_unmodified (gdbarch, insn, "setend", dsc);
else if ((op1 & 0x60) == 0x20)
return arm_copy_unmodified (gdbarch, insn, "neon dataproc", dsc);