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-rw-r--r--gas/ChangeLog6
-rw-r--r--gas/config/tc-mips.c10
-rw-r--r--include/ChangeLog5
-rw-r--r--include/opcode/mips.h10
-rw-r--r--opcodes/ChangeLog6
-rw-r--r--opcodes/mips16-opc.c31
6 files changed, 43 insertions, 25 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2a2fafb..b181f0c 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,11 @@
2016-12-23 Maciej W. Rozycki <macro@imgtec.com>
+ * config/tc-mips.c (mips16_macro_build): Replace `0' and `4'
+ operand codes with `.' and `F' respectively.
+ (mips16_macro): Likewise.
+
+2016-12-23 Maciej W. Rozycki <macro@imgtec.com>
+
* config/tc-mips.c (is_size_valid_16): Disallow a `.e' suffix
instruction size override for INSN2_SHORT_ONLY opcode table
entries.
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 562da64..e6b8c1b 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -8758,15 +8758,15 @@ mips16_macro_build (expressionS *ep, const char *name, const char *fmt,
case ')':
break;
- case '0':
+ case '.':
case 'S':
case 'P':
case 'R':
break;
case '<':
- case '4':
case '5':
+ case 'F':
case 'H':
case 'W':
case 'D':
@@ -13531,7 +13531,7 @@ mips16_macro (struct mips_cl_insn *ip)
s = "mfhi";
do_div3:
start_noreorder ();
- macro_build (NULL, dbl ? "ddiv" : "div", "0,x,y", op[1], op[2]);
+ macro_build (NULL, dbl ? "ddiv" : "div", ".,x,y", op[1], op[2]);
expr1.X_add_number = 2;
macro_build (&expr1, "bnez", "x,p", op[2]);
macro_build (NULL, "break", "6", 7);
@@ -13561,7 +13561,7 @@ mips16_macro (struct mips_cl_insn *ip)
s2 = "mfhi";
do_divu3:
start_noreorder ();
- macro_build (NULL, s, "0,x,y", op[1], op[2]);
+ macro_build (NULL, s, ".,x,y", op[1], op[2]);
expr1.X_add_number = 2;
macro_build (&expr1, "bnez", "x,p", op[2]);
macro_build (NULL, "break", "6", 7);
@@ -13583,7 +13583,7 @@ mips16_macro (struct mips_cl_insn *ip)
case M_SUBU_I:
do_subu:
imm_expr.X_add_number = -imm_expr.X_add_number;
- macro_build (&imm_expr, dbl ? "daddiu" : "addiu", "y,x,4", op[0], op[1]);
+ macro_build (&imm_expr, dbl ? "daddiu" : "addiu", "y,x,F", op[0], op[1]);
break;
case M_SUBU_I_2:
diff --git a/include/ChangeLog b/include/ChangeLog
index f771bd1..04c02ce 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,5 +1,10 @@
2016-12-23 Maciej W. Rozycki <macro@imgtec.com>
+ * opcode/mips.h: Replace `0' and `4' operand codes with `.' and
+ `F' respectively.
+
+2016-12-23 Maciej W. Rozycki <macro@imgtec.com>
+
* opcode/mips.h (INSN2_SHORT_ONLY): New macro.
2016-12-21 Alan Modra <amodra@gmail.com>
diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index cf661c8..e00f682 100644
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -1803,7 +1803,7 @@ extern int bfd_mips_num_opcodes;
"Z" 3 bit register (MIPS16OP_*_MOVE32Z)
"v" 3 bit same register as source and destination (MIPS16OP_*_RX)
"w" 3 bit same register as source and destination (MIPS16OP_*_RY)
- "0" zero register ($0)
+ "." zero register ($0)
"S" stack pointer ($sp or $29)
"P" program counter
"R" return address register ($ra or $31)
@@ -1823,8 +1823,8 @@ extern int bfd_mips_num_opcodes;
"<" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 5 bit unsigned)
"[" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 6 bit unsigned)
"]" 3 bit unsigned shift count * 0 (MIPS16OP_*_RX) (full 6 bit unsigned)
- "4" 4 bit signed immediate * 0 (MIPS16OP_*_IMM4) (full 15 bit signed)
"5" 5 bit unsigned immediate * 0 (MIPS16OP_*_IMM5)
+ "F" 4 bit signed immediate * 0 (MIPS16OP_*_IMM4) (full 15 bit signed)
"H" 5 bit unsigned immediate * 2 (MIPS16OP_*_IMM5)
"W" 5 bit unsigned immediate * 4 (MIPS16OP_*_IMM5)
"D" 5 bit unsigned immediate * 8 (MIPS16OP_*_IMM5)
@@ -1844,9 +1844,9 @@ extern int bfd_mips_num_opcodes;
"M" 7 bit register list for restore instruction (18 bit extended)
Characters used so far, for quick reference when adding more:
- " 456 8 0"
- "[]<"
- "ABCDE HI KLM P RS UVWXYZ"
+ " 56 8 "
+ ".[]<"
+ "ABCDEF HI KLM P RS UVWXYZ"
"a e ijklm pq vwxyz"
*/
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 46b9d83..0df9632 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,11 @@
2016-12-23 Maciej W. Rozycki <macro@imgtec.com>
+ * mips16-opc.c (decode_mips16_operand): Replace `0' and `4'
+ operand codes with `.' and `F' respectively.
+ (mips16_opcodes): Likewise.
+
+2016-12-23 Maciej W. Rozycki <macro@imgtec.com>
+
* mips-dis.c (print_insn_mips16): Disallow EXTEND prefix
matching for INSN2_SHORT_ONLY opcode table entries.
* mips16-opc.c (SH): New macro.
diff --git a/opcodes/mips16-opc.c b/opcodes/mips16-opc.c
index 0c1c7fa..fb0e0b7 100644
--- a/opcodes/mips16-opc.c
+++ b/opcodes/mips16-opc.c
@@ -49,7 +49,8 @@ decode_mips16_operand (char type, bfd_boolean extended_p)
{
switch (type)
{
- case '0': MAPPED_REG (0, 0, GP, reg_0_map);
+ case '.': MAPPED_REG (0, 0, GP, reg_0_map);
+
case '6': UINT (6, 5);
case 'L': SPECIAL (6, 5, ENTRY_EXIT_LIST);
@@ -80,7 +81,6 @@ decode_mips16_operand (char type, bfd_boolean extended_p)
case '[': UINT (6, 0);
case ']': UINT (6, 0);
- case '4': SINT (15, 0);
case '5': SINT (16, 0);
case '8': SINT (16, 0);
@@ -89,6 +89,7 @@ decode_mips16_operand (char type, bfd_boolean extended_p)
case 'C': SINT (16, 0);
case 'D': SINT (16, 0);
case 'E': PCREL (16, 0, TRUE, 0, 2, FALSE, FALSE);
+ case 'F': SINT (15, 0);
case 'H': SINT (16, 0);
case 'K': SINT (16, 0);
case 'U': UINT (16, 0);
@@ -107,7 +108,6 @@ decode_mips16_operand (char type, bfd_boolean extended_p)
case '[': INT_ADJ (3, 2, 8, 0, FALSE);
case ']': INT_ADJ (3, 8, 8, 0, FALSE);
- case '4': SINT (4, 0);
case '5': UINT (5, 0);
case '8': UINT (8, 0);
@@ -116,6 +116,7 @@ decode_mips16_operand (char type, bfd_boolean extended_p)
case 'C': INT_ADJ (8, 0, 255, 3, FALSE); /* (0 .. 255) << 3 */
case 'D': INT_ADJ (5, 0, 31, 3, FALSE); /* (0 .. 31) << 3 */
case 'E': PCREL (5, 0, FALSE, 2, 2, FALSE, FALSE);
+ case 'F': SINT (4, 0);
case 'H': INT_ADJ (5, 0, 31, 1, FALSE); /* (0 .. 31) << 1 */
case 'K': INT_ADJ (8, 0, 127, 3, FALSE); /* (-128 .. 127) << 3 */
case 'U': UINT (8, 0);
@@ -184,14 +185,14 @@ const struct mips_opcode mips16_opcodes[] =
{"nop", "", 0x6500, 0xffff, 0, SH|RD_16, I1, 0, 0 }, /* move $0,$Z */
{"la", "x,A", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0, I1, 0, 0 },
-{"addiu", "y,x,4", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
+{"addiu", "y,x,F", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
{"addiu", "x,k", 0x4800, 0xf800, MOD_1, 0, I1, 0, 0 },
{"addiu", "S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addiu", "S,S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addiu", "x,P,V", 0x0800, 0xf800, WR_1, RD_PC, I1, 0, 0 },
{"addiu", "x,S,V", 0x0000, 0xf800, WR_1, RD_SP, I1, 0, 0 },
{"addu", "z,v,y", 0xe001, 0xf803, WR_1|RD_2|RD_3, SH, I1, 0, 0 },
-{"addu", "y,x,4", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
+{"addu", "y,x,F", 0x4000, 0xf810, WR_1|RD_2, 0, I1, 0, 0 },
{"addu", "x,k", 0x4800, 0xf800, MOD_1, 0, I1, 0, 0 },
{"addu", "S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
{"addu", "S,S,K", 0x6300, 0xff00, 0, MOD_SP, I1, 0, 0 },
@@ -228,33 +229,33 @@ const struct mips_opcode mips16_opcodes[] =
{"cmp", "x,y", 0xe80a, 0xf81f, RD_1|RD_2|WR_T, SH, I1, 0, 0 },
{"cmp", "x,U", 0x7000, 0xf800, RD_1|WR_T, 0, I1, 0, 0 },
{"dla", "y,E", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
-{"daddiu", "y,x,4", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
+{"daddiu", "y,x,F", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
{"daddiu", "y,j", 0xfd00, 0xff00, MOD_1, 0, I3, 0, 0 },
{"daddiu", "S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddiu", "S,S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"daddiu", "y,S,W", 0xff00, 0xff00, WR_1, RD_SP, I3, 0, 0 },
{"daddu", "z,v,y", 0xe000, 0xf803, WR_1|RD_2|RD_3, SH, I3, 0, 0 },
-{"daddu", "y,x,4", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
+{"daddu", "y,x,F", 0x4010, 0xf810, WR_1|RD_2, 0, I3, 0, 0 },
{"daddu", "y,j", 0xfd00, 0xff00, MOD_1, 0, I3, 0, 0 },
{"daddu", "S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddu", "S,S,K", 0xfb00, 0xff00, 0, MOD_SP, I3, 0, 0 },
{"daddu", "y,P,W", 0xfe00, 0xff00, WR_1, RD_PC, I3, 0, 0 },
{"daddu", "y,S,W", 0xff00, 0xff00, WR_1, RD_SP, I3, 0, 0 },
-{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
+{"ddiv", ".,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0, I3, 0, 0 },
-{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
+{"ddivu", ".,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0, I3, 0, 0 },
-{"div", "0,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
+{"div", ".,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0, I1, 0, 0 },
-{"divu", "0,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
+{"divu", ".,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0, I1, 0, 0 },
{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, 0, I3, 0, 0 },
{"dmult", "x,y", 0xe81c, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, SH, I3, 0, 0 },
{"dmultu", "x,y", 0xe81d, 0xf81f, RD_1|RD_2|WR_HI|WR_LO, SH, I3, 0, 0 },
-{"drem", "0,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
+{"drem", ".,x,y", 0xe81e, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0, I3, 0, 0 },
-{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
+{"dremu", ".,x,y", 0xe81f, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I3, 0, 0 },
{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0, I3, 0, 0 },
{"dsllv", "y,x", 0xe814, 0xf81f, MOD_1|RD_2, SH, I3, 0, 0 },
{"dsll", "x,w,[", 0x3001, 0xf803, WR_1|RD_2, 0, I3, 0, 0 },
@@ -315,9 +316,9 @@ const struct mips_opcode mips16_opcodes[] =
{"neg", "x,w", 0xe80b, 0xf81f, WR_1|RD_2, SH, I1, 0, 0 },
{"not", "x,w", 0xe80f, 0xf81f, WR_1|RD_2, SH, I1, 0, 0 },
{"or", "x,y", 0xe80d, 0xf81f, MOD_1|RD_2, SH, I1, 0, 0 },
-{"rem", "0,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
+{"rem", ".,x,y", 0xe81a, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
{"rem", "z,v,y", 0, (int) M_REM_3, INSN_MACRO, 0, I1, 0, 0 },
-{"remu", "0,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
+{"remu", ".,x,y", 0xe81b, 0xf81f, RD_2|RD_3|WR_HI|WR_LO, SH, I1, 0, 0 },
{"remu", "z,v,y", 0, (int) M_REMU_3, INSN_MACRO, 0, I1, 0, 0 },
{"sb", "y,5(x)", 0xc000, 0xf800, RD_1|RD_3, 0, I1, 0, 0 },
{"sd", "y,D(x)", 0x7800, 0xf800, RD_1|RD_3, 0, I3, 0, 0 },