diff options
| author | Richard Sandiford <richard.sandiford@arm.com> | 2021-12-02 15:00:57 +0000 |
|---|---|---|
| committer | Richard Sandiford <richard.sandiford@arm.com> | 2021-12-02 15:00:57 +0000 |
| commit | bcca550b3dc542284715c19655c1885bdf2d3b67 (patch) | |
| tree | 9595ba94a8add55664ce8192a82dc8594e8b137a /gas/doc | |
| parent | 63eff947512b36c770c92d45e4b22cb8a18a39be (diff) | |
| download | gdb-bcca550b3dc542284715c19655c1885bdf2d3b67.zip gdb-bcca550b3dc542284715c19655c1885bdf2d3b67.tar.gz gdb-bcca550b3dc542284715c19655c1885bdf2d3b67.tar.bz2 | |
aarch64: Add BC instruction
This patch adds support for the Armv8.8-A BC instruction.
[https://developer.arm.com/documentation/ddi0596/2021-09/Base-Instructions/BC-cond--Branch-Consistent-conditionally-?lang=en]
include/
* opcode/aarch64.h (AARCH64_FEATURE_HBC): New macro.
(AARCH64_ARCH_V8_8): Make armv8.8-a imply AARCH64_FEATURE_HBC.
opcodes/
* aarch64-tbl.h (aarch64_feature_hbc): New variable.
(HBC, HBC_INSN): New macros.
(aarch64_opcode_table): Add BC.C.
* aarch64-dis-2.c: Regenerate.
gas/
* doc/c-aarch64.texi: Document +hbc.
* config/tc-aarch64.c (aarch64_features): Add "hbc".
* testsuite/gas/aarch64/hbc.s, testsuite/gas/aarch64/hbc.d: New test.
* testsuite/gas/aarch64/hbc-invalid.s,
testsuite/gas/aarch64/hbc-invalid.l,
testsuite/gas/aarch64/hbc-invalid.d: New test.
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-aarch64.texi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi index 7edccce..29bfd49 100644 --- a/gas/doc/c-aarch64.texi +++ b/gas/doc/c-aarch64.texi @@ -183,6 +183,8 @@ automatically cause those extensions to be disabled. @tab Enable ARMv8.2 16-bit floating-point support. This implies @code{fp}. @item @code{fp} @tab ARMv8-A @tab ARMv8-A or later @tab Enable floating-point extensions. +@item @code{hbc} @tab @tab Armv8.8-A or later + @tab Enable Armv8.8-A hinted conditional branch instructions @item @code{i8mm} @tab ARMv8.2-A @tab ARMv8.6-A or later @tab Enable Int8 Matrix Multiply extension. @item @code{lor} @tab ARMv8-A @tab ARMv8.1-A or later |