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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-05-23 19:22:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-25 17:17:31 +0300 |
| commit | 9a38169fb6025fdc6d468b1111a43e719c2143a6 (patch) | |
| tree | 0ef1918ba6555c68b8bc2b7d67c6d1150275f612 /samples/hidraw | |
| parent | 131ff238b85971c75679670be41df5feb6b6530e (diff) | |
| download | linux-9a38169fb6025fdc6d468b1111a43e719c2143a6.tar.xz | |
s390: add assembler macros for CPU alternatives
[ Upstream commit fba9eb7946251d6e420df3bdf7bc45195be7be9a ]
Add a header with macros usable in assembler files to emit alternative
code sequences. It works analog to the alternatives for inline assmeblies
in C files, with the same restrictions and capabilities.
The syntax is
ALTERNATIVE "<default instructions sequence>", \
"<alternative instructions sequence>", \
"<features-bit>"
and
ALTERNATIVE_2 "<default instructions sequence>", \
"<alternative instructions sqeuence #1>", \
"<feature-bit #1>",
"<alternative instructions sqeuence #2>", \
"<feature-bit #2>"
Reviewed-by: Vasily Gorbik <gor@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'samples/hidraw')
0 files changed, 0 insertions, 0 deletions