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| author | Alan Hayward <alan.hayward@arm.com> | 2018-08-22 09:17:24 +0100 |
|---|---|---|
| committer | Alan Hayward <alan.hayward@arm.com> | 2018-08-22 09:19:01 +0100 |
| commit | 1461bdac5c1034467d7095b6d109689e02d03987 (patch) | |
| tree | 3568b41e75a7ac0017ad6b3666b4cd138e5f91d2 /gdb/doc | |
| parent | ebf983a4447174210bcf40e1df4f2a7533b2c99f (diff) | |
| download | gdb-1461bdac5c1034467d7095b6d109689e02d03987.zip gdb-1461bdac5c1034467d7095b6d109689e02d03987.tar.gz gdb-1461bdac5c1034467d7095b6d109689e02d03987.tar.bz2 | |
Add AArch64 SVE to NEWS and GDB manual
gdb/
* NEWS: Add SVE to 8.2 section.
gdb/doc/
* doc/gdb.texinfo (AArch64 SVE): New subsubsection.
Diffstat (limited to 'gdb/doc')
| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 16 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 8688b7f..b14e35f 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2018-08-21 Alan Hayward <alan.hayward@arm.com> + + * gdb.texinfo (AArch64 SVE): New subsubsection. + 2018-08-14 Jan Vrany <jan.vrany@fit.cvut.cz> * gdb.texinfo (GDB/MI Data Manipulation): Document diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 433a269..eb898f9 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -23451,6 +23451,22 @@ Show whether AArch64 debugging messages are displayed. @end table +@subsubsection AArch64 SVE. +@cindex AArch64 SVE. + +When @value{GDBN} is debugging the AArch64 architecture, if the Scalable Vector +Extension (SVE) is present, then @value{GDBN} will provide the vector registers +@code{$z0} through @code{$z31}, vector predicate registers @code{$p0} through +@code{$p15}, and the @code{$ffr} register. In addition, the pseudo register +@code{$vg} will be provided. This is the vector granule for the current thread +and represents the number of 64-bit chunks in an SVE @code{z} register. + +If the vector length changes, then the @code{$vg} register will be updated, +but the lengths of the @code{z} and @code{p} registers will not change. This +is a known limitation of @value{GDBN} and does not affect the execution of the +target process. + + @node i386 @subsection x86 Architecture-specific Issues |