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| author | H. Peter Anvin (Intel) <hpa@zytor.com> | 2021-09-10 22:59:09 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-09-13 20:38:40 +0300 |
| commit | f87bc8dc7a7c438c70f97b4e51c76a183313272e (patch) | |
| tree | d4346eb73fe88002b2c1f5c1e881b0cfee40b3ef /lib/test_overflow.c | |
| parent | 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f (diff) | |
| download | linux-f87bc8dc7a7c438c70f97b4e51c76a183313272e.tar.xz | |
x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix
Add a macro _ASM_RIP() to add a (%rip) suffix on 64 bits only. This is
useful for immediate memory references where one doesn't want gcc
to possibly use a register indirection as it may in the case of an "m"
constraint.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210910195910.2542662-3-hpa@zytor.com
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions