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author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-08-30 11:09:48 +0000 |
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committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-08-30 11:09:48 +0000 |
commit | 5c20c4af29da29d2bb74b1fdf3c116f564431878 (patch) | |
tree | 7e03f2635a9fe715b2717872ffe1afc0cc1cfde8 /gcc/machmode.h | |
parent | 857c7b46875bdcf9d889543baad54977034d57ef (diff) | |
download | gcc-5c20c4af29da29d2bb74b1fdf3c116f564431878.zip gcc-5c20c4af29da29d2bb74b1fdf3c116f564431878.tar.gz gcc-5c20c4af29da29d2bb74b1fdf3c116f564431878.tar.bz2 |
[12/77] Use opt_scalar_float_mode when iterating over float modes
This means that we know when accessing the modes that the size is
a compile-time constant, even for SVE. It also enables stricter
type safety in later patches.
2017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* machmode.h (mode_iterator::start): Provide overload for opt_modes.
(mode_iterator::iterate_p): Likewise.
(mode_iterator::get_wider): Likewise.
* expr.c (init_expr_target): Use opt_scalar_float_mode.
gcc/ada/
* gcc-interface/misc.c (fp_prec_to_size): Use opt_scalar_float_mode.
(fp_size_to_prec): Likewise.
gcc/c-family/
* c-cppbuiltin.c (c_cpp_builtins): Use opt_scalar_float_mode.
gcc/fortran/
* trans-types.c (gfc_init_kinds): Use opt_scalar_float_mode
and FOR_EACH_MODE_IN_CLASS.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r251464
Diffstat (limited to 'gcc/machmode.h')
-rw-r--r-- | gcc/machmode.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/machmode.h b/gcc/machmode.h index aa931f5..2603d83 100644 --- a/gcc/machmode.h +++ b/gcc/machmode.h @@ -651,6 +651,16 @@ namespace mode_iterator { /* Start mode iterator *ITER at the first mode in class MCLASS, if any. */ + template<typename T> + inline void + start (opt_mode<T> *iter, enum mode_class mclass) + { + if (GET_CLASS_NARROWEST_MODE (mclass) == E_VOIDmode) + *iter = opt_mode<T> (); + else + *iter = as_a<T> (GET_CLASS_NARROWEST_MODE (mclass)); + } + inline void start (machine_mode *iter, enum mode_class mclass) { @@ -659,6 +669,13 @@ namespace mode_iterator /* Return true if mode iterator *ITER has not reached the end. */ + template<typename T> + inline bool + iterate_p (opt_mode<T> *iter) + { + return iter->exists (); + } + inline bool iterate_p (machine_mode *iter) { @@ -668,6 +685,13 @@ namespace mode_iterator /* Set mode iterator *ITER to the next widest mode in the same class, if any. */ + template<typename T> + inline void + get_wider (opt_mode<T> *iter) + { + *iter = GET_MODE_WIDER_MODE (iter->require ()); + } + inline void get_wider (machine_mode *iter) { |