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Re: [fortran, patch] Expand powi to optimal multiplications
- From: Feng Wang <wf_cs at yahoo dot com>
- To: Paul Brook <paul at codesourcery dot com>, fortran at gcc dot gnu dot org
- Cc: Tobias "Schlüter" <tobias dot schlueter at physik dot uni-muenchen dot de>, Feng Wang <wf_cs at yahoo dot com>, patch <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 19 May 2004 10:06:40 +0800 (CST)
- Subject: Re: [fortran, patch] Expand powi to optimal multiplications
--- Paul Brook <paul@codesourcery.com> 的正文：> On Tuesday 18 May 2004 17:54,
Tobias Schl?er wrote:
> > Paul Brook wrote:
> > > I've made some changes to your patch, and will apply it once tree-ssa has
> > > been merged.
> >
> > I'm just going through past e-mails, checking for lost patches. It seems
> > that this has never gone in. Are you still waiting for something, Paul?
> > In that case a PR might be helpful.
>
> No, just time to update and apply the patch.
>
> Applied as follows.
>
> Paul
>
> 2004-05-18 Paul Brook <paul@codesourcery.com>
>
> * f95-lang.c (gfc_init_builtin_functions): Use vold_list_node.
> Create decls for __builtin_pow{,f}.
> * gfortran.h (PREFIX_LEN): Define.
> * trans-decl.c (gfor_fndecl_math_powi): Add.
> (gfor_fndecl_math_powf, gfor_fndecl_math_pow): Remove.
> (gfc_build_intrinsic_function_decls): Create decls for powi.
> * trans-expr.c (powi_table): Add.
> (gfc_conv_integer_power): Remove.
> (gfc_conv_powi): New function.
> (gfc_conv_cst_int_power): New function.
> (gfc_conv_power_op): Use new powi routines.
> * trans.h (struct gfc_powdecl_list): Add.
> (gfor_fndecl_math_powi): Add.
> (gfor_fndecl_math_powf, gfor_fndecl_math_pow): Remove.
> testsuite/
> * gfortran.fortran-torture/execute/power.f90: Test constant integers.
> libgfortran/
> * Makefile.am (i_pow_c): Set it. Add build rule.
> (gfor_built_src): Use it.
> (m4_files): add m4/pow.m4.
> * Makefile.in: Regenerate.
> * m4/pow.m4: New file.
> * generated/pow_*.c: Regenerate.
Good work, maintainer! But where's my work in the ChangeLog? At least you did
not change the patch of test program :)
Feng Wang
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