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authorclaziss <claziss@synopsys.com>2017-11-22 10:46:45 +0100
committerclaziss <claziss@synopsys.com>2017-11-22 10:46:45 +0100
commitdc958481429708ecf91f9b2c445063d43397f07e (patch)
tree5503b0a0810b8cc894c4655b780026cefd6f805a /opcodes
parent0ad71725d917c51b46ffacbad25744dd889e87da (diff)
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[ARC] Fix handling of ARCv2 H-register class.
For ARCv2, h-regs are only valid unitl r31. gas/ 2017-11-21 Claudiu Zissulescu <claziss@synopsys.com> * testsuite/gas/arc/hregs-err.s: New test. opcodes/ 2017-11-21 Claudiu Zissulescu <claziss@synopsys.com> * arc-opc.c (insert_rhv2): Check h-regs range.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog4
-rw-r--r--opcodes/arc-opc.c2
2 files changed, 6 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 1d835c9..7789b3e 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2017-11-22 Claudiu Zissulescu <claziss@synopsys.com>
+
+ *arc-opc (insert_rhv2): Check h-regs range.
+
2017-11-21 Claudiu Zissulescu <claziss@synopsys.com>
* arc-dis.c (print_insn_arc): Pretty print pc-relative offsets.
diff --git a/opcodes/arc-opc.c b/opcodes/arc-opc.c
index 56c9aaf..a17df4b 100644
--- a/opcodes/arc-opc.c
+++ b/opcodes/arc-opc.c
@@ -171,6 +171,8 @@ insert_rhv2 (unsigned long long insn,
{
if (value == 0x1E)
*errmsg = _("register R30 is a limm indicator");
+ else if (value < 0 || value > 31)
+ *errmsg = _("register out of range");
return insn |= ((value & 0x07) << 5) | ((value >> 3) & 0x03);
}