aboutsummaryrefslogtreecommitdiff
path: root/opcodes
diff options
context:
space:
mode:
authorJeff Law <law@redhat.com>1996-11-06 21:18:27 +0000
committerJeff Law <law@redhat.com>1996-11-06 21:18:27 +0000
commit64ce06688d60e84bcb383ff045bf3136f101dce9 (patch)
treee29cfcb8a8189ccca1e9a387eceb5206016e7174 /opcodes
parenta28b95d71d3646ce425348fb02c6ca650add4e6d (diff)
downloadgdb-64ce06688d60e84bcb383ff045bf3136f101dce9.zip
gdb-64ce06688d60e84bcb383ff045bf3136f101dce9.tar.gz
gdb-64ce06688d60e84bcb383ff045bf3136f101dce9.tar.bz2
* mn10300-opc.c (mn10300_operands): Add IMM32_LOWSHIFT8
for bset, bclr, btst instructions. (mn10300_opcodes): Use new IMM32_LOWSHIFT8 as needed. For btst, bclr & bset.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog4
-rw-r--r--opcodes/mn10300-opc.c21
2 files changed, 20 insertions, 5 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index da8546a..27a0092 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,9 @@
Wed Nov 6 13:42:32 1996 Jeffrey A Law (law@cygnus.com)
+ * mn10300-opc.c (mn10300_operands): Add IMM32_LOWSHIFT8
+ for bset, bclr, btst instructions.
+ (mn10300_opcodes): Use new IMM32_LOWSHIFT8 as needed.
+
* mn10300-opc.c (mn10300_operands): Remove many redundant
operands. Update opcode table as appropriate.
(IMM32): Add MN10300_OPERAND_SPLIT flag.
diff --git a/opcodes/mn10300-opc.c b/opcodes/mn10300-opc.c
index 8b09f94..0386e04 100644
--- a/opcodes/mn10300-opc.c
+++ b/opcodes/mn10300-opc.c
@@ -65,10 +65,18 @@ const struct mn10300_operand mn10300_operands[] = {
#define IMM16 (IMM8+1)
{16, 0, MN10300_OPERAND_PROMOTE},
+/* 32bit immediate, high 16 bits in the main instruction
+ word, 16bits in the extension word. */
#define IMM32 (IMM16+1)
{32, 0, MN10300_OPERAND_SPLIT},
-#define SP (IMM32+1)
+/* 32bit immediate, high 16 bits in the main instruction
+ word, 16bits in the extension word, low 16bits are left
+ shifted 8 places. */
+#define IMM32_LOWSHIFT8 (IMM32+1)
+ {32, 8, MN10300_OPERAND_SPLIT},
+
+#define SP (IMM32_LOWSHIFT8+1)
{8, 0, MN10300_OPERAND_SP},
#define PSW (SP+1)
@@ -313,17 +321,20 @@ const struct mn10300_opcode mn10300_opcodes[] = {
{ "btst", 0xf8ec00, 0xfffc00, FMT_D1, {IMM8, DN0}},
{ "btst", 0xfaec0000, 0xfffc0000, FMT_D2, {IMM16, DN0}},
{ "btst", 0xfcec0000, 0xfffc0000, FMT_D4, {IMM32, DN0}},
-{ "btst", 0xfe020000, 0xffff0000, FMT_D5, {IMM8, MEM(IMM32)}},
+{ "btst", 0xfe020000, 0xffff0000, FMT_D5, {IMM8E,
+ MEM(IMM32_LOWSHIFT8)}},
{ "btst", 0xfaf80000, 0xfffc0000, FMT_D2,
{IMM8, MEM2(SD8N_SHIFT8,AN0)}},
{ "bset", 0xf080, 0xfff0, FMT_D0, {DM1, MEM(AN0)}},
-{ "bset", 0xfe000000, 0xffff0000, FMT_D5, {IMM8, MEM(IMM32)}},
+{ "bset", 0xfe000000, 0xffff0000, FMT_D5, {IMM8E,
+ MEM(IMM32_LOWSHIFT8)}},
{ "bset", 0xfaf00000, 0xfffc0000, FMT_D2,
{IMM8, MEM2(SD8N_SHIFT8,AN0)}},
{ "bclr", 0xf090, 0xfff0, FMT_D0, {DM1, MEM(AN0)}},
-{ "bclr", 0xfe010000, 0xffff0000, FMT_D5, {IMM8, MEM(IMM32)}},
+{ "bclr", 0xfe010000, 0xffff0000, FMT_D5, {IMM8E,
+ MEM(IMM32_LOWSHIFT8)}},
{ "bclr", 0xfaf40000, 0xfffc0000, FMT_D2, {IMM8,
- MEM2(SD8N_SHIFT8,AN0)}},
+ MEM2(SD8N_SHIFT8,AN0)}},
{ "asr", 0xf2b0, 0xfff0, FMT_D0, {DM1, DN0}},
{ "asr", 0xf8c800, 0xfffc00, FMT_D1, {IMM8, DN0}},