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| author | Jim Wilson <jimw@sifive.com> | 2018-11-27 11:29:23 -0800 |
|---|---|---|
| committer | Jim Wilson <jimw@sifive.com> | 2018-11-27 11:29:23 -0800 |
| commit | 4765cd611992862c844e8f152c5dbaadaecc25ce (patch) | |
| tree | 00f42b17c85c6b2636ed964786b48db31a3d295a /gas/doc | |
| parent | b5ab31636d36e1252791cec179aa11ab9d9b87e9 (diff) | |
| download | gdb-4765cd611992862c844e8f152c5dbaadaecc25ce.zip gdb-4765cd611992862c844e8f152c5dbaadaecc25ce.tar.gz gdb-4765cd611992862c844e8f152c5dbaadaecc25ce.tar.bz2 | |
RISC-V: Add .insn CA support.
gas/
* config/tc-riscv.c (validate_riscv_insn) <'F'>: Add support for CF6
and CF2 operands.
(riscv_ip) <'F'>: Likewise.
* doc/c-riscv.texi (RISC-V-Formats): Add func6 abbreviation. Use rs2
instead of rs1 in CR description. Add CA docs.
* gas/testsuite/riscv/insn.s: Add use of .insn ca.
* gas/testsuite/riscv/insn.d: Update to match.
include/
* opcode/riscv.h (OP_MASK_CFUNCT6, OP_SH_CFUNCT6): New.
(OP_MASK_CFUNCT2, OP_SH_CFUNCT2): New.
opcodes/
* riscv-opc.c (ciw): Fix whitespace to align columns.
(ca): New.
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-riscv.texi | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi index 045c33a..938c96e 100644 --- a/gas/doc/c-riscv.texi +++ b/gas/doc/c-riscv.texi @@ -190,6 +190,7 @@ instruction formats: @item opcode @tab Unsigned immediate or opcode name for 7-bits opcode. @item opcode2 @tab Unsigned immediate or opcode name for 2-bits opcode. @item func7 @tab Unsigned immediate for 7-bits function code. +@item func6 @tab Unsigned immediate for 6-bits function code. @item func4 @tab Unsigned immediate for 4-bits function code. @item func3 @tab Unsigned immediate for 3-bits function code. @item func2 @tab Unsigned immediate for 2-bits function code. @@ -355,7 +356,7 @@ with the @samp{.insn} pseudo directive: 31 30 21 20 12 7 0 @end verbatim -@item CR type: .insn cr opcode2, func4, rd, rs1 +@item CR type: .insn cr opcode2, func4, rd, rs2 @verbatim +---------+--------+-----+---------+ | func4 | rd/rs1 | rs2 | opcode2 | @@ -379,6 +380,14 @@ with the @samp{.insn} pseudo directive: 15 13 7 2 0 @end verbatim +@item CA type: .insn ca opcode2, func6, func2, rd, rs2 +@verbatim ++---------+----------+-------+------+--------+ +| func6 | rd'/rs1' | func2 | rs2' | opcode | ++---------+----------+-------+------+--------+ +15 10 7 5 2 0 +@end verbatim + @item CB type: .insn cb opcode2, func3, rs1, symbol @verbatim +---------+--------+------+--------+---------+ |