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authorJeff Law <law@redhat.com>2000-04-21 22:04:29 +0000
committerJeff Law <law@redhat.com>2000-04-21 22:04:29 +0000
commit91b1cc5d0b006d4036fa32b68688e55f4ac860e5 (patch)
tree6551da899fbece1c8dce7da57218d9272d00d790 /opcodes/hppa-dis.c
parent98e5953c9c54d25e4e2f15f818132490516cbea8 (diff)
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* hppa-dis.c (extract_16): New function.
(print_insn_hppa): Fix incorrect handling of 'fe'. Added handling of new operand types l,y,&,fe,fE,fx.
Diffstat (limited to 'opcodes/hppa-dis.c')
-rw-r--r--opcodes/hppa-dis.c90
1 files changed, 71 insertions, 19 deletions
diff --git a/opcodes/hppa-dis.c b/opcodes/hppa-dis.c
index 94d0556..23c926a 100644
--- a/opcodes/hppa-dis.c
+++ b/opcodes/hppa-dis.c
@@ -42,12 +42,13 @@ static const char *const fp_reg_names[] =
typedef unsigned int CORE_ADDR;
-/* Get at various relevent fields of an instruction word. */
+/* Get at various relevent fields of an instruction word. */
#define MASK_5 0x1f
#define MASK_10 0x3ff
#define MASK_11 0x7ff
#define MASK_14 0x3fff
+#define MASK_16 0xffff
#define MASK_21 0x1fffff
/* This macro gets bit fields using HP's numbering (MSB = 0) */
@@ -132,7 +133,7 @@ static const char *const read_write_names[] = {",r", ",w"};
static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
/* For a bunch of different instructions form an index into a
- completer name table. */
+ completer name table. */
#define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
GET_FIELD (insn, 18, 18) << 1)
@@ -181,7 +182,7 @@ fput_creg (reg, info)
(*info->fprintf_func) (info->stream, control_reg[reg]);
}
-/* print constants with sign */
+/* Print constants with sign. */
static void
fput_const (num, info)
@@ -195,9 +196,9 @@ fput_const (num, info)
}
/* Routines to extract various sized constants out of hppa
- instructions. */
+ instructions. */
-/* extract a 3-bit space register number from a be, ble, mtsp or mfsp */
+/* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */
static int
extract_3 (word)
unsigned word;
@@ -212,7 +213,7 @@ extract_5_load (word)
return low_sign_extend (word >> 16 & MASK_5, 5);
}
-/* extract the immediate field from a st{bhw}s instruction */
+/* Extract the immediate field from a st{bhw}s instruction. */
static int
extract_5_store (word)
unsigned word;
@@ -220,7 +221,7 @@ extract_5_store (word)
return low_sign_extend (word & MASK_5, 5);
}
-/* extract the immediate field from a break instruction */
+/* Extract the immediate field from a break instruction. */
static unsigned
extract_5r_store (word)
unsigned word;
@@ -228,7 +229,7 @@ extract_5r_store (word)
return (word & MASK_5);
}
-/* extract the immediate field from a {sr}sm instruction */
+/* Extract the immediate field from a {sr}sm instruction. */
static unsigned
extract_5R_store (word)
unsigned word;
@@ -236,7 +237,7 @@ extract_5R_store (word)
return (word >> 16 & MASK_5);
}
-/* extract the 10 bit immediate field from a {sr}sm instruction */
+/* Extract the 10 bit immediate field from a {sr}sm instruction. */
static unsigned
extract_10U_store (word)
unsigned word;
@@ -244,7 +245,7 @@ extract_10U_store (word)
return (word >> 16 & MASK_10);
}
-/* extract the immediate field from a bb instruction */
+/* Extract the immediate field from a bb instruction. */
static unsigned
extract_5Q_store (word)
unsigned word;
@@ -252,7 +253,7 @@ extract_5Q_store (word)
return (word >> 21 & MASK_5);
}
-/* extract an 11 bit immediate field */
+/* Extract an 11 bit immediate field. */
static int
extract_11 (word)
unsigned word;
@@ -260,7 +261,7 @@ extract_11 (word)
return low_sign_extend (word & MASK_11, 11);
}
-/* extract a 14 bit immediate field */
+/* Extract a 14 bit immediate field. */
static int
extract_14 (word)
unsigned word;
@@ -268,7 +269,21 @@ extract_14 (word)
return low_sign_extend (word & MASK_14, 14);
}
-/* extract a 21 bit constant */
+/* Extract a 16 bit immediate field (PA2.0 wide only). */
+static int
+extract_16 (word)
+ unsigned word;
+{
+ int m15, m0, m1;
+ m0 = GET_BIT (word, 16);
+ m1 = GET_BIT (word, 17);
+ m15 = GET_BIT (word, 31);
+ word = (word >> 1) & 0x1fff;
+ word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13);
+ return sign_extend (word, 16);
+}
+
+/* Extract a 21 bit constant. */
static int
extract_21 (word)
@@ -290,7 +305,7 @@ extract_21 (word)
return sign_extend (val, 21) << 11;
}
-/* extract a 12 bit constant from branch instructions */
+/* Extract a 12 bit constant from branch instructions. */
static int
extract_12 (word)
@@ -301,8 +316,8 @@ extract_12 (word)
(word & 0x1) << 11, 12) << 2;
}
-/* extract a 17 bit constant from branch instructions, returning the
- 19 bit signed value. */
+/* Extract a 17 bit constant from branch instructions, returning the
+ 19 bit signed value. */
static int
extract_17 (word)
@@ -352,7 +367,10 @@ print_insn_hppa (memaddr, info)
if ((insn & opcode->mask) == opcode->match)
{
register const char *s;
-
+#ifndef BFD64
+ if (opcode->arch == pa20w)
+ continue;
+#endif
(*info->fprintf_func) (info->stream, "%s", opcode->name);
if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0]))
@@ -473,13 +491,25 @@ print_insn_hppa (memaddr, info)
fput_fp_reg (reg, info);
break;
}
+
+ /* 'fe' will not generate a space before the register
+ name. Normally that is fine. Except that it
+ causes problems with fstw fe,y(b) which has no FP
+ format completer. */
+ case 'E':
+ fputs_filtered (" ", info);
+
+ /* FALLTHRU */
+
case 'e':
- if (GET_FIELD (insn, 25, 25))
+ if (GET_FIELD (insn, 30, 30))
fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
else
fput_fp_reg (GET_FIELD (insn, 11, 15), info);
break;
-
+ case 'x':
+ fput_fp_reg (GET_FIELD (insn, 11, 15), info);
+ break;
}
break;
@@ -835,6 +865,10 @@ print_insn_hppa (memaddr, info)
case 'k':
fput_const (extract_21 (insn), info);
break;
+ case 'l':
+ /* 16-bit long disp., PA2.0 wide only. */
+ fput_const (extract_16 (insn), info);
+ break;
case 'n':
if (insn & 0x2)
(*info->fprintf_func) (info->stream, ",n ");
@@ -1041,6 +1075,24 @@ print_insn_hppa (memaddr, info)
break;
}
+ case 'y':
+ {
+ /* 16-bit long disp., PA2.0 wide only. */
+ int disp = extract_16 (insn);
+ disp &= ~3;
+ fput_const (disp, info);
+ break;
+ }
+
+ case '&':
+ {
+ /* 16-bit long disp., PA2.0 wide only. */
+ int disp = extract_16 (insn);
+ disp &= ~7;
+ fput_const (disp, info);
+ break;
+ }
+
/* ?!? FIXME */
case '_':
case '{':