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PR1202, mcore disassembler: wrong address loopt

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Fixes a 16 year old bug report, which even came with a patch.

opcodes/
	PR 1202
	* mcore-dis.c (print_insn_mcore): Correct loopt disassembly.
	Use unsigned int for inst.
gas/
	PR 1202
	* testsuite/gas/mcore/allinsn.d: Correct loopt expected output.
This commit is contained in:
Alan Modra 2021-06-03 12:03:09 +09:30
parent 9ef5bfdad9
commit a38d139645
4 changed files with 16 additions and 5 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2021-06-03 Alan Modra <amodra@gmail.com>
PR 1202
* testsuite/gas/mcore/allinsn.d: Correct loopt expected output.
2021-05-29 Alan Modra <amodra@gmail.com>
* testsuite/gas/ppc/raw.s,

2
gas/testsuite/gas/mcore/allinsn.d
View File

@ -199,7 +199,7 @@ Disassembly of section \.text:
7e: 0041 ldq r4-r7, \(r1\)
0+080 <loopt>:
80: 048e loopt r8, 0x64
80: 048e loopt r8, 0x7e
0+082 <LRW>:
82: 7901 lrw r9, 0x3C0C1BBA

6
opcodes/ChangeLog
View File

@ -1,3 +1,9 @@
2021-06-03 Alan Modra <amodra@gmail.com>
PR 1202
* mcore-dis.c (print_insn_mcore): Correct loopt disassembly.
Use unsigned int for inst.
2021-06-02 Shahab Vahedi <shahab@synopsys.com>
* arc-dis.c (arc_option_arg_t): New enumeration.

8
opcodes/mcore-dis.c
View File

@ -95,7 +95,7 @@ print_insn_mcore (bfd_vma memaddr,
unsigned char ibytes[4];
fprintf_ftype print_func = info->fprintf_func;
void *stream = info->stream;
unsigned short inst;
unsigned int inst;
unsigned int i;
int status;
@ -215,10 +215,10 @@ print_insn_mcore (bfd_vma memaddr,
case BL:
{
uint32_t val = inst & 0x000F;
uint32_t val = memaddr + 2 + ((inst | ~0xF) << 1);
(*print_func) (stream, "\t%s, 0x%x",
grname[(inst >> 4) & 0xF],
(uint32_t) (memaddr - (val << 1)));
grname[(inst >> 4) & 0xF], val);
}
break;