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include/opcode/ 

* mips.h: Document MIPS16 "I" opcode.

opcodes/
	* mips16-opc.c (mips16_opcodes): Use "I" for immediate operands
	in macros.

gas/
	* config/tc-mips.c (mips16_ip): Handle "I".
This commit is contained in:
Richard Sandiford 2013-07-14 13:11:03 +00:00
parent 7a5f87ce9b
commit cc537e567a
6 changed files with 39 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gas/ChangeLog
View File

@ -1,3 +1,7 @@
2013-07-14 Richard Sandiford <rdsandiford@googlemail.com>
* config/tc-mips.c (mips16_ip): Handle "I".
2013-07-12 Maciej W. Rozycki <macro@codesourcery.com>
* config/tc-mips.c (mips_flag_nan2008): New variable.

10
gas/config/tc-mips.c
View File

@ -14223,6 +14223,16 @@ mips16_ip (char *str, struct mips_cl_insn *ip)
s = expr_end;
continue;
case 'I':
my_getExpression (&imm_expr, s);
if (imm_expr.X_op != O_big
&& imm_expr.X_op != O_constant)
insn_error = _("absolute expression required");
if (HAVE_32BIT_GPRS)
normalize_constant_expr (&imm_expr);
s = expr_end;
continue;
case 'a': /* 26 bit address */
case 'i':
my_getExpression (&offset_expr, s);

4
include/opcode/ChangeLog
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@ -1,3 +1,7 @@
2013-07-14 Richard Sandiford <rdsandiford@googlemail.com>
* mips.h: Document MIPS16 "I" opcode.
2013-07-07 Richard Sandiford <rdsandiford@googlemail.com>
* mips.h (M_ACLR_OB, M_ASET_OB, M_CACHE_OB, M_CACHEE_OB, M_L_DOB)

2
include/opcode/mips.h
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@ -1305,6 +1305,8 @@ extern int bfd_mips_num_opcodes;
"l" register list for entry instruction
"L" register list for exit instruction
"I" an immediate value used for macros
The remaining codes may be extended. Except as otherwise noted,
the full extended operand is a 16 bit signed value.
"<" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 5 bit unsigned)

5
opcodes/ChangeLog
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@ -1,3 +1,8 @@
2013-07-14 Richard Sandiford <rdsandiford@googlemail.com>
* mips16-opc.c (mips16_opcodes): Use "I" for immediate operands
in macros.
2013-07-14 Richard Sandiford <rdsandiford@googlemail.com>
* mips-opc.c (mips_builtin_opcodes): Use "S,T" rather than "V,T" for

28
opcodes/mips16-opc.c
View File

@ -89,26 +89,26 @@ const struct mips_opcode mips16_opcodes[] =
{"and", "x,y", 0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0, I1 },
{"b", "q", 0x1000, 0xf800, UBR, 0, I1 },
{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0, I1 },
{"beq", "x,U,p", 0, (int) M_BEQ_I, INSN_MACRO, 0, I1 },
{"beq", "x,I,p", 0, (int) M_BEQ_I, INSN_MACRO, 0, I1 },
{"beqz", "x,p", 0x2000, 0xf800, CBR|RD_x, 0, I1 },
{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0, I1 },
{"bge", "x,8,p", 0, (int) M_BGE_I, INSN_MACRO, 0, I1 },
{"bge", "x,I,p", 0, (int) M_BGE_I, INSN_MACRO, 0, I1 },
{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0, I1 },
{"bgeu", "x,8,p", 0, (int) M_BGEU_I, INSN_MACRO, 0, I1 },
{"bgeu", "x,I,p", 0, (int) M_BGEU_I, INSN_MACRO, 0, I1 },
{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0, I1 },
{"bgt", "x,8,p", 0, (int) M_BGT_I, INSN_MACRO, 0, I1 },
{"bgt", "x,I,p", 0, (int) M_BGT_I, INSN_MACRO, 0, I1 },
{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0, I1 },
{"bgtu", "x,8,p", 0, (int) M_BGTU_I, INSN_MACRO, 0, I1 },
{"bgtu", "x,I,p", 0, (int) M_BGTU_I, INSN_MACRO, 0, I1 },
{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0, I1 },
{"ble", "x,8,p", 0, (int) M_BLE_I, INSN_MACRO, 0, I1 },
{"ble", "x,I,p", 0, (int) M_BLE_I, INSN_MACRO, 0, I1 },
{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0, I1 },
{"bleu", "x,8,p", 0, (int) M_BLEU_I, INSN_MACRO, 0, I1 },
{"bleu", "x,I,p", 0, (int) M_BLEU_I, INSN_MACRO, 0, I1 },
{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0, I1 },
{"blt", "x,8,p", 0, (int) M_BLT_I, INSN_MACRO, 0, I1 },
{"blt", "x,I,p", 0, (int) M_BLT_I, INSN_MACRO, 0, I1 },
{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0, I1 },
{"bltu", "x,8,p", 0, (int) M_BLTU_I, INSN_MACRO, 0, I1 },
{"bltu", "x,I,p", 0, (int) M_BLTU_I, INSN_MACRO, 0, I1 },
{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0, I1 },
{"bne", "x,U,p", 0, (int) M_BNE_I, INSN_MACRO, 0, I1 },
{"bne", "x,I,p", 0, (int) M_BNE_I, INSN_MACRO, 0, I1 },
{"bnez", "x,p", 0x2800, 0xf800, CBR|RD_x, 0, I1 },
{"break", "6", 0xe805, 0xf81f, TRAP, 0, I1 },
{"bteqz", "p", 0x6000, 0xff00, CBR|RD_T, 0, I1 },
@ -155,8 +155,8 @@ const struct mips_opcode mips16_opcodes[] =
{"dsrl", "y,]", 0xe808, 0xf81f, WR_y|RD_y, 0, I3 },
{"dsrl", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsubu", "z,v,y", 0xe002, 0xf803, WR_z|RD_x|RD_y, 0, I3 },
{"dsubu", "y,x,4", 0, (int) M_DSUBU_I, INSN_MACRO, 0, I1 },
{"dsubu", "y,j", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0, I1 },
{"dsubu", "y,x,I", 0, (int) M_DSUBU_I, INSN_MACRO, 0, I1 },
{"dsubu", "y,I", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0, I1 },
{"exit", "L", 0xed09, 0xff1f, TRAP, 0, I1 },
{"exit", "L", 0xee09, 0xff1f, TRAP, 0, I1 },
{"exit", "", 0xef09, 0xffff, TRAP, 0, I1 },
@ -230,8 +230,8 @@ const struct mips_opcode mips16_opcodes[] =
{"srl", "x,w,<", 0x3002, 0xf803, WR_x|RD_y, 0, I1 },
{"srl", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0, I1 },
{"subu", "z,v,y", 0xe003, 0xf803, WR_z|RD_x|RD_y, 0, I1 },
{"subu", "y,x,4", 0, (int) M_SUBU_I, INSN_MACRO, 0, I1 },
{"subu", "x,k", 0, (int) M_SUBU_I_2, INSN_MACRO,0, I1 },
{"subu", "y,x,I", 0, (int) M_SUBU_I, INSN_MACRO, 0, I1 },
{"subu", "x,I", 0, (int) M_SUBU_I_2, INSN_MACRO,0, I1 },
{"sw", "y,W(x)", 0xd800, 0xf800, RD_y|RD_x, 0, I1 },
{"sw", "x,V(S)", 0xd000, 0xf800, RD_x|RD_SP, 0, I1 },
{"sw", "R,V(S)", 0x6200, 0xff00, RD_31|RD_SP, 0, I1 },