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glibc/sysdeps/riscv
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Christoph Müllner 3d6fcf1bd7 riscv: Add support for XTheadBb in string-fz[a,i].h 
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>
2023-09-06 09:27:43 -03:00
..
bits Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
nofpu Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
nptl Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
rv32 Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
rv64 Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
rvd riscv: Update rvd libm test ulps 2023-07-22 15:55:33 +02:00
rvf Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
sys Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
__longjmp.S Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
bsd-_setjmp.c RISC-V: ABI Implementation 2018-01-29 10:25:29 -08:00
bsd-setjmp.c RISC-V: ABI Implementation 2018-01-29 10:25:29 -08:00
configure configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
configure.ac elf: Replace PI_STATIC_AND_HIDDEN with opposite HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 2022-04-26 09:26:22 -07:00
dl-irel.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
dl-machine.h Revert "riscv: Resolve symbols directly for symbols with STO_RISCV_VARIANT_CC." 2023-05-07 14:16:03 +02:00
dl-relocate-ld.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
dl-tls.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
e_sqrtl.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
fpu_control.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
Implies Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
libc-tls.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
linkmap.h RISC-V: ABI Implementation 2018-01-29 10:25:29 -08:00
machine-gmon.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
Makefile riscv: Build with -mno-relax if linker does not support R_RISCV_ALIGN 2021-11-03 09:25:06 -03:00
math-tests-snan-payload.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
math-tests-trap.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
preconfigure configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
preconfigure.ac RISC-V: Use an autoconf template to produce `preconfigure' 2022-05-13 17:07:23 +01:00
setjmp.S Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
sfp-machine.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
stackinfo.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
start.S Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
string-fza.h riscv: Add support for XTheadBb in string-fz[a,i].h 2023-09-06 09:27:43 -03:00
string-fzi.h riscv: Add support for XTheadBb in string-fz[a,i].h 2023-09-06 09:27:43 -03:00
tininess.h RISC-V: Generic <math.h> and soft-fp Routines 2018-01-29 10:26:35 -08:00
tst-audit.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00