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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-01-07 14:27:49 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-01-08 04:51:57 -0800 |
| commit | 1b885264a48dcd71b7aeb26c0abeb91246724897 (patch) | |
| tree | 312f19cb7205606a2260efd56bfd81ec7c1fb59f /gcc/read-rtl.c | |
| parent | 8f1cb70d7ca6a8da7f6bc7f43fb5e758c0ce88b5 (diff) | |
| download | gcc-1b885264a48dcd71b7aeb26c0abeb91246724897.zip gcc-1b885264a48dcd71b7aeb26c0abeb91246724897.tar.gz gcc-1b885264a48dcd71b7aeb26c0abeb91246724897.tar.bz2 | |
x86-64: Use R10 for profiling large model
R10 is caller-saved. Although it can be used as a static chain register,
it is preserved when calling mcount for nested functions. Use R10 as a
scratch register to call mcount in large model.
gcc/
PR target/98482
* config/i386/i386.c (x86_function_profiler): Use R10 to call
mcount in large model. Sorry for large model with PIC.
gcc/testsuite/
PR target/98482
* gcc.target/i386/pr98482-1.c: New test.
* gcc.target/i386/pr98482-1.c: Likewise.
Diffstat (limited to 'gcc/read-rtl.c')
0 files changed, 0 insertions, 0 deletions