aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--gas/ChangeLog7
-rw-r--r--gas/config/tc-tic6x.c27
-rw-r--r--gas/testsuite/ChangeLog7
-rw-r--r--gas/testsuite/gas/tic6x/insns-c674x.d24
-rw-r--r--gas/testsuite/gas/tic6x/insns-c674x.s12
-rw-r--r--include/opcode/ChangeLog10
-rw-r--r--include/opcode/tic6x-opcode-table.h33
-rw-r--r--include/opcode/tic6x.h9
-rw-r--r--opcodes/ChangeLog11
-rw-r--r--opcodes/tic6x-dis.c12
10 files changed, 125 insertions, 27 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index cc6d283..bbc5774 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,10 @@
+2013-03-20 Alexis Deruelle <alexis.deruelle@gmail.com>
+
+ PR gas/15095
+ * config/tc-tic6x.c (tic6x_try_encode): Handle
+ tic6x_coding_dreg_(msb|lsb) field coding types and use it to
+ encode register pair numbers when required.
+
2013-03-15 Will Newton <will.newton@linaro.org>
* config/tc-arm.c (do_neon_ldr_str): Fix error check for PC register
diff --git a/gas/config/tc-tic6x.c b/gas/config/tc-tic6x.c
index 65517a6..7e11d0b 100644
--- a/gas/config/tc-tic6x.c
+++ b/gas/config/tc-tic6x.c
@@ -1,6 +1,5 @@
/* TI C6X assembler.
- Copyright 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright 2010-2013 Free Software Foundation, Inc.
Contributed by Joseph Myers <joseph@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
@@ -2717,6 +2716,30 @@ tic6x_try_encode (tic6x_opcode_id id, tic6x_operand *operands,
*fix_adda = FALSE;
break;
+ case tic6x_coding_regpair_lsb:
+ switch (operands[opno].form)
+ {
+ case TIC6X_OP_REGPAIR:
+ value = operands[opno].value.reg.num;
+ break;
+
+ default:
+ abort ();
+ }
+ break;
+
+ case tic6x_coding_regpair_msb:
+ switch (operands[opno].form)
+ {
+ case TIC6X_OP_REGPAIR:
+ value = operands[opno].value.reg.num + 1;
+ break;
+
+ default:
+ abort ();
+ }
+ break;
+
case tic6x_coding_reg:
switch (operands[opno].form)
{
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 37c9e87..e1c0481 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2013-03-20 Alexis Deruelle <alexis.deruelle@gmail.com>
+
+ PR gas/15095
+ * gas/tic6x/insns-c674x.s: Add test cases for the newly generated
+ opcode.
+ * gas/tic6x/insns-c674x.d: Update expected disassembly.
+
2013-03-15 Will Newton <will.newton@linaro.org>
* gas/arm/any-idiv.d: Expand *-*eabi test to cover *-*eabi*.
diff --git a/gas/testsuite/gas/tic6x/insns-c674x.d b/gas/testsuite/gas/tic6x/insns-c674x.d
index 236086c..9f8e162 100644
--- a/gas/testsuite/gas/tic6x/insns-c674x.d
+++ b/gas/testsuite/gas/tic6x/insns-c674x.d
@@ -17,7 +17,9 @@ Disassembly of section \.text:
[0-9a-f]+[048c] <[^>]*> 070c835a[ \t]+abs2 \.L2 b3,b14
[0-9a-f]+[048c] <[^>]*> 0cf0935a[ \t]+abs2 \.L2X a28,b25
[0-9a-f]+[048c] <[^>]*> 0c180b20[ \t]+absdp \.S1 a7:a6,a25:a24
-[0-9a-f]+[048c] <[^>]*> c2080b22[ \t]+\[a0\] absdp \.S2 b3:b2,b5:b4
+[0-9a-f]+[048c] <[^>]*> 0c1ccb20[ \t]+absdp \.S1 a7:a6,a25:a24
+[0-9a-f]+[048c] <[^>]*> c20c4b22[ \t]+\[a0\] absdp \.S2 b3:b2,b5:b4
+[0-9a-f]+[048c] <[^>]*> 0c1feb20[ \t]+absdp \.S1 a7:a6,a25:a24
[0-9a-f]+[048c] <[^>]*> 04240f20[ \t]+abssp \.S1 a9,a8
[0-9a-f]+[048c] <[^>]*> 08481f20[ \t]+abssp \.S1X b18,a16
[0-9a-f]+[048c] <[^>]*> 23800f22[ \t]+\[b0\] abssp \.S2 b0,b7
@@ -442,11 +444,17 @@ Disassembly of section \.text:
[0-9a-f]+[048c] <[^>]*> 1325867a[ \t]+dpackx2 \.L2 b12,b9,b7:b6
[0-9a-f]+[048c] <[^>]*> 1e00767a[ \t]+dpackx2 \.L2X b3,a0,b29:b28
[0-9a-f]+[048c] <[^>]*> 01900118[ \t]+dpint \.L1 a5:a4,a3
-[0-9a-f]+[048c] <[^>]*> d190011a[ \t]+\[!a0\] dpint \.L2 b5:b4,b3
+[0-9a-f]+[048c] <[^>]*> 01948118[ \t]+dpint \.L1 a5:a4,a3
+[0-9a-f]+[048c] <[^>]*> d194811a[ \t]+\[!a0\] dpint \.L2 b5:b4,b3
+[0-9a-f]+[048c] <[^>]*> 0197e118[ \t]+dpint \.L1 a5:a4,a3
[0-9a-f]+[048c] <[^>]*> 01900138[ \t]+dpsp \.L1 a5:a4,a3
-[0-9a-f]+[048c] <[^>]*> 3190013a[ \t]+\[!b0\] dpsp \.L2 b5:b4,b3
-[0-9a-f]+[048c] <[^>]*> 81900038[ \t]+\[a1\] dptrunc \.L1 a5:a4,a3
+[0-9a-f]+[048c] <[^>]*> 01948138[ \t]+dpsp \.L1 a5:a4,a3
+[0-9a-f]+[048c] <[^>]*> 3194813a[ \t]+\[!b0\] dpsp \.L2 b5:b4,b3
+[0-9a-f]+[048c] <[^>]*> 0197e138[ \t]+dpsp \.L1 a5:a4,a3
[0-9a-f]+[048c] <[^>]*> 0190003a[ \t]+dptrunc \.L2 b5:b4,b3
+[0-9a-f]+[048c] <[^>]*> 81948038[ \t]+\[a1\] dptrunc \.L1 a5:a4,a3
+[0-9a-f]+[048c] <[^>]*> 0194803a[ \t]+dptrunc \.L2 b5:b4,b3
+[0-9a-f]+[048c] <[^>]*> 0197e03a[ \t]+dptrunc \.L2 b5:b4,b3
[0-9a-f]+[048c] <[^>]*> 05141f48[ \t]+ext \.S1 a5,0,31,a10
[0-9a-f]+[048c] <[^>]*> 42abe04a[ \t]+\[b1\] ext \.S2 b10,31,0,b5
[0-9a-f]+[048c] <[^>]*> 9a9dcbe0[ \t]+\[!a1\] ext \.S1 a7,a14,a21
@@ -1033,7 +1041,9 @@ Disassembly of section \.text:
[0-9a-f]+[048c] <[^>]*> 0b8aad1a[ \t]+packl4 \.L2 b21,b2,b23
[0-9a-f]+[048c] <[^>]*> 64c33d1a[ \t]+\[b2\] packl4 \.L2X b25,a16,b9
[0-9a-f]+[048c] <[^>]*> 03100b60[ \t]+rcpdp \.S1 a5:a4,a7:a6
-[0-9a-f]+[048c] <[^>]*> b5200b62[ \t]+\[!a2\] rcpdp \.S2 b9:b8,b11:b10
+[0-9a-f]+[048c] <[^>]*> 03148b60[ \t]+rcpdp \.S1 a5:a4,a7:a6
+[0-9a-f]+[048c] <[^>]*> b5250b62[ \t]+\[!a2\] rcpdp \.S2 b9:b8,b11:b10
+[0-9a-f]+[048c] <[^>]*> 0317eb60[ \t]+rcpdp \.S1 a5:a4,a7:a6
[0-9a-f]+[048c] <[^>]*> 00800f60[ \t]+rcpsp \.S1 a0,a1
[0-9a-f]+[048c] <[^>]*> 71881f60[ \t]+\[!b2\] rcpsp \.S1X b2,a3
[0-9a-f]+[048c] <[^>]*> c2900f62[ \t]+\[a0\] rcpsp \.S2 b4,b5
@@ -1052,7 +1062,9 @@ Disassembly of section \.text:
[0-9a-f]+[048c] <[^>]*> 14a0eef2[ \t]+rpack2 \.S2 b7,b8,b9
[0-9a-f]+[048c] <[^>]*> 162d5ef2[ \t]+rpack2 \.S2X b10,a11,b12
[0-9a-f]+[048c] <[^>]*> 03100ba0[ \t]+rsqrdp \.S1 a5:a4,a7:a6
-[0-9a-f]+[048c] <[^>]*> 45200ba2[ \t]+\[b1\] rsqrdp \.S2 b9:b8,b11:b10
+[0-9a-f]+[048c] <[^>]*> 03148ba0[ \t]+rsqrdp \.S1 a5:a4,a7:a6
+[0-9a-f]+[048c] <[^>]*> 45250ba2[ \t]+\[b1\] rsqrdp \.S2 b9:b8,b11:b10
+[0-9a-f]+[048c] <[^>]*> 0317eba0[ \t]+rsqrdp \.S1 a5:a4,a7:a6
[0-9a-f]+[048c] <[^>]*> 00800fa0[ \t]+rsqrsp \.S1 a0,a1
[0-9a-f]+[048c] <[^>]*> 91881fa0[ \t]+\[!a1\] rsqrsp \.S1X b2,a3
[0-9a-f]+[048c] <[^>]*> 52900fa2[ \t]+\[!b1\] rsqrsp \.S2 b4,b5
diff --git a/gas/testsuite/gas/tic6x/insns-c674x.s b/gas/testsuite/gas/tic6x/insns-c674x.s
index 1d02e7e..33ec5da 100644
--- a/gas/testsuite/gas/tic6x/insns-c674x.s
+++ b/gas/testsuite/gas/tic6x/insns-c674x.s
@@ -13,8 +13,10 @@ f:
[a2] abs2 .L1X b23,a5
abs2 .L2 b3,b14
abs2 .L2X a28,b25
+ .word 0x0c180b20
absdp .S1 a7:a6,a25:a24
[a0] absdp .S2 b3:b2,b5:b4
+ .word 0x0c1feb20
abssp .S1 a9,a8
abssp .S1X b18,a16
[b0] abssp .S2 b0,b7
@@ -438,12 +440,18 @@ f:
dpackx2 .L1X a21,b18,a15:a14
dpackx2 .L2 b12,b9,b7:b6
dpackx2 .L2X b3,a0,b29:b28
+ .word 0x01900118
dpint .L1 a5:a4,a3
[!a0] dpint .L2 b5:b4,b3
+ .word 0x0197e118
+ .word 0x01900138
dpsp .L1 a5:a4,a3
[!b0] dpsp .L2 b5:b4,b3
+ .word 0x0197e138
+ .word 0x0190003a
[a1] dptrunc .L1 a5:a4,a3
dptrunc .L2 b5:b4,b3
+ .word 0x0197e03a
ext .S1 a5,0,31,a10
[b1] ext .S2 b10,31,0,b5
[!a1] ext .S1 a7,a14,a21
@@ -1029,8 +1037,10 @@ f:
packl4 .L1X a5,b8,a13
packl4 .L2 b21,b2,b23
[b2] packl4 .L2X b25,a16,b9
+ .word 0x03100b60
rcpdp .S1 a5:a4,a7:a6
[!a2] rcpdp .S2 b9:b8,b11:b10
+ .word 0x0317eb60
rcpsp .S1 a0,a1
[!b2] rcpsp .S1X b2,a3
[a0] rcpsp .S2 b4,b5
@@ -1048,8 +1058,10 @@ f:
rpack2 .S1X a4,b5,a6
rpack2 .S2 b7,b8,b9
rpack2 .S2X b10,a11,b12
+ .word 0x03100ba0
rsqrdp .S1 a5:a4,a7:a6
[b1] rsqrdp .S2 b9:b8,b11:b10
+ .word 0x0317eba0
rsqrsp .S1 a0,a1
[!a1] rsqrsp .S1X b2,a3
[!b1] rsqrsp .S2 b4,b5
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index a46900a..69d0859 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,13 @@
+2013-03-20 Alexis Deruelle <alexis.deruelle@gmail.com>
+
+ PR gas/15095
+ * tic6x.h (enum tic6x_coding_method): Add
+ tic6x_coding_dreg_(msb|lsb) field coding type in order to encode
+ separately the msb and lsb of a register pair. This is needed to
+ encode the opcodes in the same way as TI assembler does.
+ * tic6x-opcode-table.h: Modify absdp, dpint, dpsp, dptrunc, rcpdp
+ and rsqrdp opcodes to use the new field coding types.
+
2013-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* arm.h (CRC_EXT_ARMV8): New constant.
diff --git a/include/opcode/tic6x-opcode-table.h b/include/opcode/tic6x-opcode-table.h
index 45e26fb..abebd3c 100644
--- a/include/opcode/tic6x-opcode-table.h
+++ b/include/opcode/tic6x-opcode-table.h
@@ -1,6 +1,5 @@
/* TI C6X opcode table.
- Copyright 2010, 2011
- Free Software Foundation, Inc.
+ Copyright 2010-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -129,9 +128,10 @@ INSN(abs2, l, unary, 1cycle, C64X, 0,
ENC(dst, reg, 1)))
INSN(absdp, s, 1_or_2_src, 2cycle_dp, C67X, TIC6X_FLAG_NO_CROSS,
- FIX3(FIX(op, 0x2c), FIX(x, 0), FIX(src1, 0)),
+ FIX2(FIX(op, 0x2c), FIX(x, 0)),
OP2(ORREGD1, OWREGD12),
- ENC3(ENC(s, fu, 0), ENC(src2, reg, 0), ENC(dst, reg, 1)))
+ ENC4(ENC(s, fu, 0), ENC(src2, regpair_msb, 0), ENC(src1, regpair_lsb, 0),
+ ENC(dst, reg, 1)))
INSN(abssp, s, unary, 1cycle, C67X, 0,
FIX1(FIX(op, 0)),
@@ -916,19 +916,22 @@ INSN(dpackx2, l, 1_or_2_src_noncond, 1cycle, C64XP, 0,
ENC(src2, reg, 1), ENC(dst, reg, 2)))
INSN(dpint, l, 1_or_2_src, 4cycle, C67X, TIC6X_FLAG_NO_CROSS,
- FIX3(FIX(op, 0x8), FIX(x, 0), FIX(src1, 0)),
+ FIX2(FIX(op, 0x8), FIX(x, 0)),
OP2(ORREGD1, OWREG4),
- ENC3(ENC(s, fu, 0), ENC(src2, reg, 0), ENC(dst, reg, 1)))
+ ENC4(ENC(s, fu, 0), ENC(src2, regpair_msb, 0), ENC(src1, regpair_lsb, 0),
+ ENC(dst, reg, 1)))
INSN(dpsp, l, 1_or_2_src, 4cycle, C67X, TIC6X_FLAG_NO_CROSS,
- FIX3(FIX(op, 0x9), FIX(x, 0), FIX(src1, 0)),
+ FIX2(FIX(op, 0x9), FIX(x, 0)),
OP2(ORREGD1, OWREG4),
- ENC3(ENC(s, fu, 0), ENC(src2, reg, 0), ENC(dst, reg, 1)))
+ ENC4(ENC(s, fu, 0), ENC(src2, regpair_msb, 0), ENC(src1, regpair_lsb, 0),
+ ENC(dst, reg, 1)))
INSN(dptrunc, l, 1_or_2_src, 4cycle, C67X, TIC6X_FLAG_NO_CROSS,
- FIX3(FIX(op, 0x1), FIX(x, 0), FIX(src1, 0)),
+ FIX2(FIX(op, 0x1), FIX(x, 0)),
OP2(ORREGD1, OWREG4),
- ENC3(ENC(s, fu, 0), ENC(src2, reg, 0), ENC(dst, reg, 1)))
+ ENC4(ENC(s, fu, 0), ENC(src2, regpair_msb, 0), ENC(src1, regpair_lsb, 0),
+ ENC(dst, reg, 1)))
INSN(ext, s, field, 1cycle, C62X, TIC6X_FLAG_NO_CROSS,
FIX1(FIX(op, 0x1)),
@@ -1617,9 +1620,10 @@ INSN(packl4, l, 1_or_2_src, 1cycle, C64X, 0,
ENC(src2, reg, 1), ENC(dst, reg, 2)))
INSN(rcpdp, s, 1_or_2_src, 2cycle_dp, C67X, TIC6X_FLAG_NO_CROSS,
- FIX3(FIX(op, 0x2d), FIX(x, 0), FIX(src1, 0)),
+ FIX2(FIX(op, 0x2d), FIX(x, 0)),
OP2(ORREGD1, OWREGD12),
- ENC3(ENC(s, fu, 0), ENC(src2, reg, 0), ENC(dst, reg, 1)))
+ ENC4(ENC(s, fu, 0), ENC(src2, regpair_msb, 0), ENC(src1, regpair_lsb, 0),
+ ENC(dst, reg, 1)))
INSN(rcpsp, s, 1_or_2_src, 1cycle, C67X, 0,
FIX2(FIX(op, 0x3d), FIX(src1, 0)),
@@ -1677,9 +1681,10 @@ INSN(rpack2, s, ext_1_or_2_src_noncond, 1cycle, C64XP, 0,
ENC(src2, reg, 1), ENC(dst, reg, 2)))
INSN(rsqrdp, s, 1_or_2_src, 2cycle_dp, C67X, TIC6X_FLAG_NO_CROSS,
- FIX3(FIX(op, 0x2e), FIX(x, 0), FIX(src1, 0)),
+ FIX2(FIX(op, 0x2e), FIX(x, 0)),
OP2(ORREGD1, OWREGD12),
- ENC3(ENC(s, fu, 0), ENC(src2, reg, 0), ENC(dst, reg, 1)))
+ ENC4(ENC(s, fu, 0), ENC(src2, regpair_msb, 0), ENC(src1, regpair_lsb, 0),
+ ENC(dst, reg, 1)))
INSN(rsqrsp, s, 1_or_2_src, 1cycle, C67X, 0,
FIX2(FIX(op, 0x3e), FIX(src1, 0)),
diff --git a/include/opcode/tic6x.h b/include/opcode/tic6x.h
index 2a7a246..168f660 100644
--- a/include/opcode/tic6x.h
+++ b/include/opcode/tic6x.h
@@ -1,6 +1,5 @@
/* TI C6X opcode information.
- Copyright 2010, 2011
- Free Software Foundation, Inc.
+ Copyright 2010-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -380,6 +379,12 @@ typedef enum
the field. When applied to a memory reference, encode the base
register. */
tic6x_coding_reg,
+ /* Encode the register-pair's lsb (even register) for instructions
+ that use src1 as port for loading lsb of double-precision
+ operand value (absdp, dpint, dpsp, dptrunc, rcpdp, rsqrdp). */
+ tic6x_coding_regpair_lsb,
+ /* Encode the register-pair's msb (odd register), see above. */
+ tic6x_coding_regpair_msb,
/* Store 0 for register B14, 1 for register B15. When applied to
a memory reference, encode the base register. */
tic6x_coding_areg,
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 66556f1..a678a70 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,6 +1,15 @@
+2013-03-20 Alexis Deruelle <alexis.deruelle@gmail.com>
+
+ PR gas/15095
+ * tic6x-dis.c (print_insn_tic6x): Decode opcodes that have
+ individual msb and lsb halves in src1 & src2 fields. Discard the
+ src1 (lsb) value and only use src2 (msb), discarding bit 0, to
+ follow what Ti SDK does in that case as any value in the src1
+ field yields the same output with SDK disassembler.
+
2013-03-12 Michael Eager <eager@eagercon.com>
- * opcodes/mips-dis.c (print_insn_args): Modify def of reg.
+ * opcodes/mips-dis.c (print_insn_args): Modify def of reg.
2013-03-11 Sebastian Huber <sebastian.huber@embedded-brains.de>
diff --git a/opcodes/tic6x-dis.c b/opcodes/tic6x-dis.c
index 05626df..73ac2e0 100644
--- a/opcodes/tic6x-dis.c
+++ b/opcodes/tic6x-dis.c
@@ -1,6 +1,5 @@
/* TI C6X disassembler.
- Copyright 2010
- Free Software Foundation, Inc.
+ Copyright 2010-2013 Free Software Foundation, Inc.
Contributed by Joseph Myers <joseph@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
@@ -632,6 +631,15 @@ print_insn_tic6x (bfd_vma addr, struct disassemble_info *info)
operands_addresses[op_num] = fp_addr + signed_fld_val;
break;
+ case tic6x_coding_regpair_msb:
+ if (opc->operand_info[op_num].form != tic6x_operand_regpair)
+ abort ();
+ operands_text[op_num] = TRUE;
+ snprintf (operands[op_num], 24, "%c%u:%c%u",
+ (func_unit_side == 2 ? 'b' : 'a'), (fld_val | 0x1),
+ (func_unit_side == 2 ? 'b' : 'a'), (fld_val | 0x1) - 1);
+ break;
+
case tic6x_coding_reg_shift:
fld_val <<= 1;
/* Fall through. */
generated by cgit v1.1 at 2024-11-25 02:05:10 +0000