Message ID | 20221109135329.952128-1-xry111@xry111.site |
---|---|
Headers | show |
Series | LoongArch: Add some floating-point operations | expand |
On Wed, 2022-11-09 at 21:53 +0800, Xi Ruoyao wrote: > These patches allow to expand the following builtins to floating point > instructions for LoongArch: > > - __builtin_rint{,f} > - __builtin_{l,ll}rint{,f} > - __builtin_{l,ll}floor{,f} > - __builtin_{l,ll}ceil{,f} > - __builtin_scalb{n,ln}{,f} > - __builtin_logb{,f} > > Bootstrapped and regtested on loongarch64-linux-gnu. And a modified > Glibc using the builtins for rint{,f}, {l,ll}rint{,f}, and logb{,f} > also survived Glibc test suite. > > Please review ASAP because GCC 13 stage 1 will end on Nov. 13th. > > v1 -> v2: Only use ftint{rm,rp} instructions if floor and ceil are > allowed to raise inexact exception. > > Xi Ruoyao (4): > LoongArch: Rename frint_<fmt> to rint<mode>2 > LoongArch: Add ftint{,rm,rp}.{w,l}.{s,d} instructions > LoongArch: Add fscaleb.{s,d} instructions as ldexp{sf,df}3 > LoongArch: Add flogb.{s,d} instructions and expand logb{sf,df}2 > > gcc/config/loongarch/loongarch.md | 95 > ++++++++++++++++++- > gcc/testsuite/gcc.target/loongarch/flogb.c | 18 ++++ > gcc/testsuite/gcc.target/loongarch/frint.c | 16 ++++ > gcc/testsuite/gcc.target/loongarch/fscaleb.c | 48 ++++++++++ > .../gcc.target/loongarch/ftint-no-inexact.c | 44 +++++++++ > gcc/testsuite/gcc.target/loongarch/ftint.c | 44 +++++++++ > 6 files changed, 261 insertions(+), 4 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/loongarch/flogb.c > create mode 100644 gcc/testsuite/gcc.target/loongarch/frint.c > create mode 100644 gcc/testsuite/gcc.target/loongarch/fscaleb.c > create mode 100644 gcc/testsuite/gcc.target/loongarch/ftint-no- > inexact.c > create mode 100644 gcc/testsuite/gcc.target/loongarch/ftint.c > Pushed r13-3922. I'll be busy in the following week. Will do the work on Glibc side after Nov. 20.
在 2022/11/12 下午3:08, Xi Ruoyao 写道: > On Wed, 2022-11-09 at 21:53 +0800, Xi Ruoyao wrote: >> These patches allow to expand the following builtins to floating point >> instructions for LoongArch: >> >> - __builtin_rint{,f} >> - __builtin_{l,ll}rint{,f} >> - __builtin_{l,ll}floor{,f} >> - __builtin_{l,ll}ceil{,f} >> - __builtin_scalb{n,ln}{,f} >> - __builtin_logb{,f} >> >> Bootstrapped and regtested on loongarch64-linux-gnu. And a modified >> Glibc using the builtins for rint{,f}, {l,ll}rint{,f}, and logb{,f} >> also survived Glibc test suite. >> >> Please review ASAP because GCC 13 stage 1 will end on Nov. 13th. >> >> v1 -> v2: Only use ftint{rm,rp} instructions if floor and ceil are >> allowed to raise inexact exception. >> >> Xi Ruoyao (4): >> LoongArch: Rename frint_<fmt> to rint<mode>2 >> LoongArch: Add ftint{,rm,rp}.{w,l}.{s,d} instructions >> LoongArch: Add fscaleb.{s,d} instructions as ldexp{sf,df}3 >> LoongArch: Add flogb.{s,d} instructions and expand logb{sf,df}2 >> >> gcc/config/loongarch/loongarch.md | 95 >> ++++++++++++++++++- >> gcc/testsuite/gcc.target/loongarch/flogb.c | 18 ++++ >> gcc/testsuite/gcc.target/loongarch/frint.c | 16 ++++ >> gcc/testsuite/gcc.target/loongarch/fscaleb.c | 48 ++++++++++ >> .../gcc.target/loongarch/ftint-no-inexact.c | 44 +++++++++ >> gcc/testsuite/gcc.target/loongarch/ftint.c | 44 +++++++++ >> 6 files changed, 261 insertions(+), 4 deletions(-) >> create mode 100644 gcc/testsuite/gcc.target/loongarch/flogb.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/frint.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/fscaleb.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/ftint-no- >> inexact.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/ftint.c >> > Pushed r13-3922. > > I'll be busy in the following week. Will do the work on Glibc side > after Nov. 20. > I will send the patch of prefetch later, please help to check it:-)
How about I do this work on Glibc? 在 2022/11/12 下午3:08, Xi Ruoyao 写道: > On Wed, 2022-11-09 at 21:53 +0800, Xi Ruoyao wrote: >> These patches allow to expand the following builtins to floating point >> instructions for LoongArch: >> >> - __builtin_rint{,f} >> - __builtin_{l,ll}rint{,f} >> - __builtin_{l,ll}floor{,f} >> - __builtin_{l,ll}ceil{,f} >> - __builtin_scalb{n,ln}{,f} >> - __builtin_logb{,f} >> >> Bootstrapped and regtested on loongarch64-linux-gnu. And a modified >> Glibc using the builtins for rint{,f}, {l,ll}rint{,f}, and logb{,f} >> also survived Glibc test suite. >> >> Please review ASAP because GCC 13 stage 1 will end on Nov. 13th. >> >> v1 -> v2: Only use ftint{rm,rp} instructions if floor and ceil are >> allowed to raise inexact exception. >> >> Xi Ruoyao (4): >> LoongArch: Rename frint_<fmt> to rint<mode>2 >> LoongArch: Add ftint{,rm,rp}.{w,l}.{s,d} instructions >> LoongArch: Add fscaleb.{s,d} instructions as ldexp{sf,df}3 >> LoongArch: Add flogb.{s,d} instructions and expand logb{sf,df}2 >> >> gcc/config/loongarch/loongarch.md | 95 >> ++++++++++++++++++- >> gcc/testsuite/gcc.target/loongarch/flogb.c | 18 ++++ >> gcc/testsuite/gcc.target/loongarch/frint.c | 16 ++++ >> gcc/testsuite/gcc.target/loongarch/fscaleb.c | 48 ++++++++++ >> .../gcc.target/loongarch/ftint-no-inexact.c | 44 +++++++++ >> gcc/testsuite/gcc.target/loongarch/ftint.c | 44 +++++++++ >> 6 files changed, 261 insertions(+), 4 deletions(-) >> create mode 100644 gcc/testsuite/gcc.target/loongarch/flogb.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/frint.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/fscaleb.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/ftint-no- >> inexact.c >> create mode 100644 gcc/testsuite/gcc.target/loongarch/ftint.c >> > Pushed r13-3922. > > I'll be busy in the following week. Will do the work on Glibc side > after Nov. 20. >