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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-08-30 11:09:48 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-08-30 11:09:48 +0000 |
| commit | 5c20c4af29da29d2bb74b1fdf3c116f564431878 (patch) | |
| tree | 7e03f2635a9fe715b2717872ffe1afc0cc1cfde8 /gcc/expr.c | |
| 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/expr.c')
| -rw-r--r-- | gcc/expr.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -112,7 +112,6 @@ void init_expr_target (void) { rtx pat; - machine_mode mode; int num_clobbers; rtx mem, mem1; rtx reg; @@ -131,7 +130,7 @@ init_expr_target (void) pat = gen_rtx_SET (NULL_RTX, NULL_RTX); PATTERN (insn) = pat; - for (mode = VOIDmode; (int) mode < NUM_MACHINE_MODES; + for (machine_mode mode = VOIDmode; (int) mode < NUM_MACHINE_MODES; mode = (machine_mode) ((int) mode + 1)) { int regno; @@ -177,9 +176,11 @@ init_expr_target (void) mem = gen_rtx_MEM (VOIDmode, gen_raw_REG (Pmode, LAST_VIRTUAL_REGISTER + 1)); - FOR_EACH_MODE_IN_CLASS (mode, MODE_FLOAT) + opt_scalar_float_mode mode_iter; + FOR_EACH_MODE_IN_CLASS (mode_iter, MODE_FLOAT) { - machine_mode srcmode; + scalar_float_mode mode = mode_iter.require (); + scalar_float_mode srcmode; FOR_EACH_MODE_UNTIL (srcmode, mode) { enum insn_code ic; |