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authorDave Brolley <brolley@redhat.com>2000-08-28 18:18:49 +0000
committerDave Brolley <brolley@redhat.com>2000-08-28 18:18:49 +0000
commit0e266e5cc57494a2f9fcb39fe4be615fdf4a9521 (patch)
tree5a2c2c316470728c45c864e8d8b9032dcc4c287d /sim
parent6bb95a0ff8ead058dbfff87384fd379f6f8aeb05 (diff)
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2000-08-28 Dave Brolley <brolley@redhat.com>
* cgen-trace.c (sim_cgen_disassemble_insn): Make sure entire insn is in insn_value if it will fit.
Diffstat (limited to 'sim')
-rw-r--r--sim/common/ChangeLog5
-rw-r--r--sim/common/cgen-trace.c9
2 files changed, 13 insertions, 1 deletions
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index e69dccf..3f13ea6 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,8 @@
+2000-08-28 Dave Brolley <brolley@redhat.com>
+
+ * cgen-trace.c (sim_cgen_disassemble_insn): Make sure entire insn is
+ in insn_value if it will fit.
+
2000-08-21 Frank Ch. Eigler <fche@redhat.com>
* Make-common.in, cgen.sh: Contribute CGEN-related build targets/rules.
diff --git a/sim/common/cgen-trace.c b/sim/common/cgen-trace.c
index 4e382d4..8b084f4 100644
--- a/sim/common/cgen-trace.c
+++ b/sim/common/cgen-trace.c
@@ -354,6 +354,7 @@ sim_cgen_disassemble_insn (SIM_CPU *cpu, const CGEN_INSN *insn,
const ARGBUF *abuf, IADDR pc, char *buf)
{
unsigned int length;
+ unsigned int base_length;
unsigned long insn_value;
struct disassemble_info disasm_info;
SFILE sfile;
@@ -380,7 +381,13 @@ sim_cgen_disassemble_insn (SIM_CPU *cpu, const CGEN_INSN *insn,
length = sim_core_read_buffer (sd, cpu, read_map, &insn_buf, pc,
insn_length);
- switch (min (cd->base_insn_bitsize, insn_bit_length))
+ /* If the entire insn will fit into an integer, then do it. Otherwise, just
+ use the bits of the base_insn. */
+ if (insn_bit_length <= 32)
+ base_length = insn_bit_length;
+ else
+ base_length = min (cd->base_insn_bitsize, insn_bit_length);
+ switch (base_length)
{
case 0 : return; /* fake insn, typically "compile" (aka "invalid") */
case 8 : insn_value = insn_buf.bytes[0]; break;