On Mon, Jun 24, 2024 at 3:38 AM HAO CHEN GUI <guih...@linux.ibm.com> wrote: > > Hi, > Gently ping it. > https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652991.html
OK > Thanks > Gui Haochen > > 在 2024/6/17 13:29, HAO CHEN GUI 写道: > > Hi, > > Gently ping it. > > https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652991.html > > > > Thanks > > Gui Haochen > > > > 在 2024/6/3 10:37, HAO CHEN GUI 写道: > >> Hi, > >> All issues were addressed. Gently ping it. > >> https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652991.html > >> > >> Thanks > >> Gui Haochen > >> > >> 在 2024/5/29 14:36, HAO CHEN GUI 写道: > >>> Hi, > >>> This patch adds an optab for __builtin_isfinite. The finite check can be > >>> implemented on rs6000 by a single instruction. It needs an optab to be > >>> expanded to the certain sequence of instructions. > >>> > >>> The subsequent patches will implement the expand on rs6000. > >>> > >>> Compared to previous version, the main change is to specify return > >>> value of the optab should be either 0 or 1. > >>> https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652864.html > >>> > >>> Bootstrapped and tested on x86 and powerpc64-linux BE and LE with no > >>> regressions. Is this OK for trunk? > >>> > >>> Thanks > >>> Gui Haochen > >>> > >>> ChangeLog > >>> optab: Add isfinite_optab for isfinite builtin > >>> > >>> gcc/ > >>> * builtins.cc (interclass_mathfn_icode): Set optab to isfinite_optab > >>> for isfinite builtin. > >>> * optabs.def (isfinite_optab): New. > >>> * doc/md.texi (isfinite): Document. > >>> > >>> > >>> patch.diff > >>> diff --git a/gcc/builtins.cc b/gcc/builtins.cc > >>> index f8d94c4b435..53e9d210541 100644 > >>> --- a/gcc/builtins.cc > >>> +++ b/gcc/builtins.cc > >>> @@ -2459,8 +2459,10 @@ interclass_mathfn_icode (tree arg, tree fndecl) > >>> errno_set = true; builtin_optab = ilogb_optab; break; > >>> CASE_FLT_FN (BUILT_IN_ISINF): > >>> builtin_optab = isinf_optab; break; > >>> - case BUILT_IN_ISNORMAL: > >>> case BUILT_IN_ISFINITE: > >>> + builtin_optab = isfinite_optab; > >>> + break; > >>> + case BUILT_IN_ISNORMAL: > >>> CASE_FLT_FN (BUILT_IN_FINITE): > >>> case BUILT_IN_FINITED32: > >>> case BUILT_IN_FINITED64: > >>> diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi > >>> index 5730bda80dc..3eb4216141e 100644 > >>> --- a/gcc/doc/md.texi > >>> +++ b/gcc/doc/md.texi > >>> @@ -8557,6 +8557,12 @@ operand 2, greater than operand 2 or is unordered > >>> with operand 2. > >>> > >>> This pattern is not allowed to @code{FAIL}. > >>> > >>> +@cindex @code{isfinite@var{m}2} instruction pattern > >>> +@item @samp{isfinite@var{m}2} > >>> +Return 1 if operand 1 is a finite floating point number and 0 > >>> +otherwise. @var{m} is a scalar floating point mode. Operand 0 > >>> +has mode @code{SImode}, and operand 1 has mode @var{m}. > >>> + > >>> @end table > >>> > >>> @end ifset > >>> diff --git a/gcc/optabs.def b/gcc/optabs.def > >>> index ad14f9328b9..dcd77315c2a 100644 > >>> --- a/gcc/optabs.def > >>> +++ b/gcc/optabs.def > >>> @@ -352,6 +352,7 @@ OPTAB_D (fmod_optab, "fmod$a3") > >>> OPTAB_D (hypot_optab, "hypot$a3") > >>> OPTAB_D (ilogb_optab, "ilogb$a2") > >>> OPTAB_D (isinf_optab, "isinf$a2") > >>> +OPTAB_D (isfinite_optab, "isfinite$a2") > >>> OPTAB_D (issignaling_optab, "issignaling$a2") > >>> OPTAB_D (ldexp_optab, "ldexp$a3") > >>> OPTAB_D (log10_optab, "log10$a2")
