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3d6fcf1bd7
XTheadBb has similar instructions like Zbb, which allow optimized string processing: * th.ff0: find-first zero is a CLZ instruction. * th.tstnbz: Similar like orc.b, but with a bit-inverted result. The instructions are documented here: https://github.com/T-head-Semi/thead-extension-spec/tree/master/xtheadbb These instructions can be found in the T-Head C906 and the C910. Tested with the string tests. Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> |
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.. | ||
bits | ||
nofpu | ||
nptl | ||
rv32 | ||
rv64 | ||
rvd | ||
rvf | ||
sys | ||
__longjmp.S | ||
bsd-_setjmp.c | ||
bsd-setjmp.c | ||
configure | ||
configure.ac | ||
dl-irel.h | ||
dl-machine.h | ||
dl-relocate-ld.h | ||
dl-tls.h | ||
dl-trampoline.S | ||
e_sqrtl.c | ||
fpu_control.h | ||
gccframe.h | ||
Implies | ||
jmpbuf-offsets.h | ||
jmpbuf-unwind.h | ||
ldsodefs.h | ||
libc-tls.c | ||
linkmap.h | ||
machine-gmon.h | ||
Makefile | ||
math-tests-snan-payload.h | ||
math-tests-trap.h | ||
preconfigure | ||
preconfigure.ac | ||
setjmp.S | ||
sfp-machine.h | ||
sotruss-lib.c | ||
stackinfo.h | ||
start.S | ||
string-fza.h | ||
string-fzi.h | ||
tininess.h | ||
tst-audit.h |