| Message ID | 851b2442-103a-4b8d-8c7c-c51b6eeb8a4f@linux.ibm.com |
|---|---|
| State | New |
| Headers | show |
| Series | Optab: add isfinite_optab for __builtin_isfinite | expand |
On Fri, Apr 12, 2024 at 5:07 AM HAO CHEN GUI <guihaoc@linux.ibm.com> wrote: > > 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. > > Bootstrapped and tested on x86 and powerpc64-linux BE and LE with no > regressions. Is this OK for next stage-1? OK if the rs6000 part is approved. > 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. > > patch.diff > diff --git a/gcc/builtins.cc b/gcc/builtins.cc > index d2786f207b8..5262aa01660 100644 > --- a/gcc/builtins.cc > +++ b/gcc/builtins.cc > @@ -2459,8 +2459,9 @@ 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/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")
On Thu, Apr 11, 2024 at 8:07 PM HAO CHEN GUI <guihaoc@linux.ibm.com> wrote: > > 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. > > Bootstrapped and tested on x86 and powerpc64-linux BE and LE with no > regressions. Is this OK for next stage-1? This is missing adding documentation for the new optab. It should be documented in md.texi under `Standard Pattern Names For Generation` section. Thanks, Andrew > > 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. > > patch.diff > diff --git a/gcc/builtins.cc b/gcc/builtins.cc > index d2786f207b8..5262aa01660 100644 > --- a/gcc/builtins.cc > +++ b/gcc/builtins.cc > @@ -2459,8 +2459,9 @@ 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/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")
Hi Andrew, 在 2024/5/19 3:42, Andrew Pinski 写道: > This is missing adding documentation for the new optab. > It should be documented in md.texi under `Standard Pattern Names For > Generation` section. Thanks for your reminder. I will add ones for all patches. Thanks Gui Haochen
diff --git a/gcc/builtins.cc b/gcc/builtins.cc index d2786f207b8..5262aa01660 100644 --- a/gcc/builtins.cc +++ b/gcc/builtins.cc @@ -2459,8 +2459,9 @@ 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/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")