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include/opcode/ 

* mips.h: Document microMIPS DSP ASE usage.
	(MICROMIPSOP_MASK_DSPACC, MICROMIPSOP_SH_DSPACC): Update for
	microMIPS DSP ASE support.
	(MICROMIPSOP_MASK_DSPSFT, MICROMIPSOP_SH_DSPSFT): Likewise.
	(MICROMIPSOP_MASK_SA3, MICROMIPSOP_SH_SA3): Likewise.
	(MICROMIPSOP_MASK_SA4, MICROMIPSOP_SH_SA4): Likewise.
	(MICROMIPSOP_MASK_IMM8, MICROMIPSOP_SH_IMM8): Likewise.
	(MICROMIPSOP_MASK_IMM10, MICROMIPSOP_SH_IMM10): Likewise.
	(MICROMIPSOP_MASK_WRDSP, MICROMIPSOP_SH_WRDSP): Likewise.
	(MICROMIPSOP_MASK_BP, MICROMIPSOP_SH_BP): Likewise.

	gas/
	* config/tc-mips.c (macro_build) <'2'>: Handle microMIPS.
	(macro) <M_BALIGN>: Update error handling.
	(validate_micromips_insn) <'2', '3', '4', '5', '6'>: New cases.
	<'7', '8', '0', '@', '^'>: Likewise.
	(mips_ip) <'2', '3', '4', '5', '6', '7', '8'>: Handle microMIPS.
	<'9'>: Fix formatting.
	<'0', '@'>: Handle microMIPS.
	<'^'>: New case.

	gas/testsuite/
	* gas/mips/micromips@mips32-dsp.d: New.
	* gas/mips/micromips@mips32-dspr2.d: New.
	* gas/mips/mips32-dsp.d: Remove -mips32r2.
	* gas/mips/mips32-dspr2.d: Likewise.
	* gas/mips/mips.exp: (mips_create_arch): Use -mips64r2
	for micromips.  Use run_dump_test_arches to run dsp tests.

	opcodes/
	* micromips-opc.c (WR_a, RD_a, MOD_a): New macros.
	(DSP_VOLA): Likewise.
	(D32, D33): Likewise.
	(micromips_opcodes): Add DSP ASE instructions.
	* micromips-dis.c (print_insn_micromips) <'2', '3'>: New cases.
	<'4', '5', '6', '7', '8', '0', '^', '@'>: Likewise.
This commit is contained in:
Maciej W. Rozycki 2012-07-31 21:38:54 +00:00
parent bc025aada5
commit f4c77298de
2 changed files with 47 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/opcode/ChangeLog
View File

@ -1,3 +1,18 @@
2012-07-31 Chao-Ying Fu <fu@mips.com>
Catherine Moore <clm@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
* mips.h: Document microMIPS DSP ASE usage.
(MICROMIPSOP_MASK_DSPACC, MICROMIPSOP_SH_DSPACC): Update for
microMIPS DSP ASE support.
(MICROMIPSOP_MASK_DSPSFT, MICROMIPSOP_SH_DSPSFT): Likewise.
(MICROMIPSOP_MASK_SA3, MICROMIPSOP_SH_SA3): Likewise.
(MICROMIPSOP_MASK_SA4, MICROMIPSOP_SH_SA4): Likewise.
(MICROMIPSOP_MASK_IMM8, MICROMIPSOP_SH_IMM8): Likewise.
(MICROMIPSOP_MASK_IMM10, MICROMIPSOP_SH_IMM10): Likewise.
(MICROMIPSOP_MASK_WRDSP, MICROMIPSOP_SH_WRDSP): Likewise.
(MICROMIPSOP_MASK_BP, MICROMIPSOP_SH_BP): Likewise.
2012-07-06 Maciej W. Rozycki <macro@codesourcery.com>
* mips.h: Fix a typo in description.

50
include/opcode/mips.h
View File

@ -1494,6 +1494,24 @@ extern const int bfd_mips16_num_opcodes;
#define MICROMIPSOP_MASK_IMMY 0x1ff
#define MICROMIPSOP_SH_IMMY 1
/* MIPS DSP ASE */
#define MICROMIPSOP_MASK_DSPACC 0x3
#define MICROMIPSOP_SH_DSPACC 14
#define MICROMIPSOP_MASK_DSPSFT 0x3f
#define MICROMIPSOP_SH_DSPSFT 16
#define MICROMIPSOP_MASK_SA3 0x7
#define MICROMIPSOP_SH_SA3 13
#define MICROMIPSOP_MASK_SA4 0xf
#define MICROMIPSOP_SH_SA4 12
#define MICROMIPSOP_MASK_IMM8 0xff
#define MICROMIPSOP_SH_IMM8 13
#define MICROMIPSOP_MASK_IMM10 0x3ff
#define MICROMIPSOP_SH_IMM10 16
#define MICROMIPSOP_MASK_WRDSP 0x3f
#define MICROMIPSOP_SH_WRDSP 14
#define MICROMIPSOP_MASK_BP 0x3
#define MICROMIPSOP_SH_BP 14
/* Placeholders for fields that only exist in the traditional 32-bit
instruction encoding; see the comment above for details. */
#define MICROMIPSOP_MASK_CODE20 0
@ -1508,28 +1526,12 @@ extern const int bfd_mips16_num_opcodes;
#define MICROMIPSOP_SH_VECBYTE 0
#define MICROMIPSOP_MASK_VECALIGN 0
#define MICROMIPSOP_SH_VECALIGN 0
#define MICROMIPSOP_MASK_DSPACC 0
#define MICROMIPSOP_SH_DSPACC 0
#define MICROMIPSOP_MASK_DSPACC_S 0
#define MICROMIPSOP_SH_DSPACC_S 0
#define MICROMIPSOP_MASK_DSPSFT 0
#define MICROMIPSOP_SH_DSPSFT 0
#define MICROMIPSOP_MASK_DSPSFT_7 0
#define MICROMIPSOP_SH_DSPSFT_7 0
#define MICROMIPSOP_MASK_SA3 0
#define MICROMIPSOP_SH_SA3 0
#define MICROMIPSOP_MASK_SA4 0
#define MICROMIPSOP_SH_SA4 0
#define MICROMIPSOP_MASK_IMM8 0
#define MICROMIPSOP_SH_IMM8 0
#define MICROMIPSOP_MASK_IMM10 0
#define MICROMIPSOP_SH_IMM10 0
#define MICROMIPSOP_MASK_WRDSP 0
#define MICROMIPSOP_SH_WRDSP 0
#define MICROMIPSOP_MASK_RDDSP 0
#define MICROMIPSOP_SH_RDDSP 0
#define MICROMIPSOP_MASK_BP 0
#define MICROMIPSOP_SH_BP 0
#define MICROMIPSOP_MASK_MT_U 0
#define MICROMIPSOP_SH_MT_U 0
#define MICROMIPSOP_MASK_MT_H 0
@ -1702,6 +1704,18 @@ extern const int bfd_mips16_num_opcodes;
"f" 32-bit floating point constant
"l" 32-bit floating point constant in .lit4
DSP ASE usage:
"2" 2-bit unsigned immediate for byte align (MICROMIPSOP_*_BP)
"3" 3-bit unsigned immediate (MICROMIPSOP_*_SA3)
"4" 4-bit unsigned immediate (MICROMIPSOP_*_SA4)
"5" 8-bit unsigned immediate (MICROMIPSOP_*_IMM8)
"6" 5-bit unsigned immediate (MICROMIPSOP_*_RS)
"7" 2-bit DSP accumulator register (MICROMIPSOP_*_DSPACC)
"8" 6-bit unsigned immediate (MICROMIPSOP_*_WRDSP)
"0" 6-bit signed immediate (MICROMIPSOP_*_DSPSFT)
"@" 10-bit signed immediate (MICROMIPSOP_*_IMM10)
"^" 5-bit unsigned immediate (MICROMIPSOP_*_RD)
Other:
"()" parens surrounding optional value
"," separates operands
@ -1709,8 +1723,8 @@ extern const int bfd_mips16_num_opcodes;
"m" start of microMIPS extension sequence
Characters used so far, for quick reference when adding more:
"1234567890"
"<>(),+.\|~"
"12345678 0"
"<>(),+.@\^|~"
"ABCDEFGHI KLMN RST V "
"abcd f hijklmnopqrstuvw yz"