diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2011-08-09 15:20:01 +0000 |
|---|---|---|
| committer | Maciej W. Rozycki <macro@linux-mips.org> | 2011-08-09 15:20:01 +0000 |
| commit | c292063a79b9d4a77ce4161d91ee993f6982add0 (patch) | |
| tree | 66633cbcbc0adc90b6dd98e1adce42c57ac9e766 /gas/doc/c-mips.texi | |
| parent | 0636d1bed85937169fe3195eb0f550a113e91dff (diff) | |
| download | binutils-redhat-c292063a79b9d4a77ce4161d91ee993f6982add0.tar.gz | |
gas/
* config/tc-mips.c (mips_set_options): Add ase_mcu.
(mips_opts): Initialise ase_mcu to -1.
(ISA_SUPPORTS_MCU_ASE): New macro.
(MIPS_CPU_ASE_MCU): Likewise.
(is_opcode_valid): Handle MCU.
(macro_build, macro): Likewise.
(validate_mips_insn, validate_micromips_insn): Likewise.
(mips_ip): Likewise.
(options): Add OPTION_MCU and OPTION_NO_MCU.
(md_longopts): Add mmcu and mno-mcu.
(md_parse_option): Handle OPTION_MCU and OPTION_NO_MCU.
(mips_after_parse_args): Handle MCU.
(s_mipsset): Likewise.
(md_show_usage): Handle MCU options.
* doc/as.texinfo: Document -mmcu and -mno-mcu options.
* doc/c-mips.texi: Likewise, and document ".set mcu" and
".set nomcu" directives.
gas/testsuite/
* gas/mips/micromips@mcu.d: New test.
* gas/mips/mcu.d: Likewise.
* gas/mips/mcu.s: New test source.
* gas/mips/mips.exp: Run the new tests.
include/opcode/
* mips.h (OP_MASK_3BITPOS, OP_SH_3BITPOS): New macros.
(OP_MASK_OFFSET12, OP_SH_OFFSET12): Redefine.
(INSN_ASE_MASK): Add the MCU bit.
(INSN_MCU): New macro.
(M_ACLR_AB, M_ACLR_OB, M_ASET_AB, M_ASET_OB): New enum values.
(MICROMIPSOP_MASK_3BITPOS, MICROMIPSOP_SH_3BITPOS): New macros.
opcodes/
* mips-dis.c (mips_arch_choices): Enable MCU for "mips32r2"
and "mips64r2".
(print_insn_args, print_insn_micromips): Handle MCU.
* micromips-opc.c (MC): New macro.
(micromips_opcodes): Add "aclr", "aset" and "iret".
* mips-opc.c (MC): New macro.
(mips_builtin_opcodes): Add "aclr", "aset" and "iret".
Diffstat (limited to 'gas/doc/c-mips.texi')
| -rw-r--r-- | gas/doc/c-mips.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gas/doc/c-mips.texi b/gas/doc/c-mips.texi index b6e2ae6673..28f31d0b6f 100644 --- a/gas/doc/c-mips.texi +++ b/gas/doc/c-mips.texi @@ -175,6 +175,12 @@ Generate code for the MT Application Specific Extension. This tells the assembler to accept MT instructions. @samp{-mno-mt} turns off this option. +@item -mmcu +@itemx -mno-mcu +Generate code for the MCU Application Specific Extension. +This tells the assembler to accept MCU instructions. +@samp{-mno-mcu} turns off this option. + @item -mfix7000 @itemx -mno-fix7000 Cause nops to be inserted if the read of the destination register @@ -662,6 +668,14 @@ from the MT Application Specific Extension from that point on in the assembly. The @code{.set nomt} directive prevents MT instructions from being accepted. +@cindex MIPS MCU instruction generation override +@kindex @code{.set mcu} +@kindex @code{.set nomcu} +The directive @code{.set mcu} makes the assembler accept instructions +from the MCU Application Specific Extension from that point on +in the assembly. The @code{.set nomcu} directive prevents MCU +instructions from being accepted. + Traditional @sc{mips} assemblers do not support these directives. @node MIPS floating-point |