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* mips.h (OP_SH_DSPACC, OP_MASK_DSPACC, OP_SH_DSPACC_S,

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OP_MASK_DSPACC_S, OP_SH_DSPSFT, OP_MASK_DSPSFT, OP_SH_DSPSFT_7,
OP_MASK_DSPSFT_7, OP_SH_SA3, OP_MASK_SA3, OP_SH_SA4, OP_MASK_SA4,
OP_SH_IMM8, OP_MASK_IMM8, OP_SH_IMM10, OP_MASK_IMM10, OP_SH_WRDSP,
OP_MASK_WRDSP, OP_SH_RDDSP, OP_MASK_RDDSP): New define.
Document 3, 4, 5, 6, 7, 8, 9, 0, :, ', @ operand formats for DSP
instructions.
(INSN_DSP): New define for DSP ASE.
This commit is contained in:
Chao-ying Fu
2005-08-25 18:09:24 +00:00
parent b4b0980b9d
commit 4a8b3ef692
2 changed files with 50 additions and 1 deletions
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40
include/opcode/mips.h
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@@ -148,6 +148,28 @@ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, US
#define OP_MASK_EXTMSBD 0x1f /* "ext" MSBD. */
#define OP_SH_EXTMSBD 11
/* MIPS DSP ASE */
#define OP_SH_DSPACC 11
#define OP_MASK_DSPACC 0x3
#define OP_SH_DSPACC_S 21
#define OP_MASK_DSPACC_S 0x3
#define OP_SH_DSPSFT 20
#define OP_MASK_DSPSFT 0x3f
#define OP_SH_DSPSFT_7 19
#define OP_MASK_DSPSFT_7 0x7f
#define OP_SH_SA3 21
#define OP_MASK_SA3 0x7
#define OP_SH_SA4 21
#define OP_MASK_SA4 0xf
#define OP_SH_IMM8 16
#define OP_MASK_IMM8 0xff
#define OP_SH_IMM10 16
#define OP_MASK_IMM10 0x3ff
#define OP_SH_WRDSP 11
#define OP_MASK_WRDSP 0x3f
#define OP_SH_RDDSP 16
#define OP_MASK_RDDSP 0x3f
#define OP_OP_COP0 0x10
#define OP_OP_COP1 0x11
#define OP_OP_COP2 0x12
@@ -296,6 +318,19 @@ struct mips_opcode
"Y" MDMX source register (OP_*_FS)
"Z" MDMX source register (OP_*_FT)
DSP ASE usage:
"3" 3 bit unsigned immediate (OP_*_SA3)
"4" 4 bit unsigned immediate (OP_*_SA4)
"5" 8 bit unsigned immediate (OP_*_IMM8)
"6" 5 bit unsigned immediate (OP_*_RS)
"7" 2 bit dsp accumulator register (OP_*_DSPACC)
"8" 6 bit unsigned immediate (OP_*_WRDSP)
"9" 2 bit dsp accumulator register (OP_*_DSPACC_S)
"0" 6 bit signed immediate (OP_*_DSPSFT)
":" 7 bit signed immediate (OP_*_DSPSFT_7)
"'" 6 bit unsigned immediate (OP_*_RDDSP)
"@" 10 bit signed immediate (OP_*_IMM10)
Other:
"()" parens surrounding optional value
"," separates operands
@@ -303,7 +338,8 @@ struct mips_opcode
"+" Start of extension sequence.
Characters used so far, for quick reference when adding more:
"%[]<>(),+"
"34567890"
"%[]<>(),+:'@"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefhijklopqrstuvwxz"
@@ -413,6 +449,8 @@ struct mips_opcode
/* Masks used for MIPS-defined ASEs. */
#define INSN_ASE_MASK 0x0000f000
/* DSP ASE */
#define INSN_DSP 0x00001000
/* MIPS 16 ASE */
#define INSN_MIPS16 0x00002000
/* MIPS-3D ASE */