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")
