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| author | liuhongt <hongtao.liu@intel.com> | 2021-11-17 15:48:37 +0800 |
|---|---|---|
| committer | liuhongt <hongtao.liu@intel.com> | 2021-11-22 11:24:11 +0800 |
| commit | b5844cb0bc8c7d9be2ff1ecded249cad82b9b71c (patch) | |
| tree | c198cb62c5ac097569b97a3ce23cd727eba4a068 /libgcc | |
| parent | 2b5b8610e985e23a0c2e0272339ab074a750e240 (diff) | |
| download | gcc-b5844cb0bc8c7d9be2ff1ecded249cad82b9b71c.zip gcc-b5844cb0bc8c7d9be2ff1ecded249cad82b9b71c.tar.gz gcc-b5844cb0bc8c7d9be2ff1ecded249cad82b9b71c.tar.bz2 | |
Don't allow mask/sse/mmx mov in TLS code sequences.
As change in assembler, refer to [1], this patch disallow mask/sse/mmx
mov in TLS code sequences which require integer MOV instructions.
[1] https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=d7e3e627027fcf37d63e284144fe27ff4eba36b5
gcc/ChangeLog:
PR target/103275
* config/i386/constraints.md (Bk): New
define_memory_constraint.
* config/i386/i386-protos.h (ix86_gpr_tls_address_pattern_p):
Declare.
* config/i386/i386.c (ix86_gpr_tls_address_pattern_p): New
function.
* config/i386/i386.md (*movsi_internal): Don't allow
mask/sse/mmx move in TLS code sequences.
(*movdi_internal): Ditto.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr103275.c: New test.
Diffstat (limited to 'libgcc')
0 files changed, 0 insertions, 0 deletions