Hi, Part 1 of this change is a clean-up. I have changed calls to GET_MODE_INNER (m) so that it returns m in cases where there is no inner mode. This simplifies some of the calling code by removing the need to check for VOIDmode and allows calling it unconditionally. I also removed element_precision () as it was only called in one place and thought it neater to call GET_MODE_PRECISION explicitly.
Parts 2-4 will include further tidy-ups and optimisations based on [1/N].
Good to go?
Regards,
David Sherwood.
2015-07-17 David Sherwood <david.sherw...@arm.com>
gcc/
* config/arm/arm.c (neon_element_bits, neon_valid_immediate): Call
GET_MODE_INNER unconditionally.
* config/spu/spu.c (arith_immediate_p): Likewise.
* config/i386/i386.c (ix86_build_signbit_mask): Likewise. New variable.
* expmed.c (synth_mult): Remove check for VOIDmode result from
GET_MODE_INNER.
(expand_mult_const): Likewise.
* fold-const.c (): Replace call to element_precision with call to
GET_MODE_PRECISION.
* genmodes.c (emit_mode_inner_inline): Replace void_mode->name with
m->name.
(emit_mode_inner): Likewise.
* lto-streamer-out.c (lto_write_mode_table): Update GET_MODE_INNER
result check.
* machmode.h (GET_MODE_UNIT_SIZE): Simplify.
(GET_MODE_UNIT_PRECISION): Likewise.
* rtlanal.c (subreg_get_info): Call GET_MODE_INNER unconditionally.
* simplify-rtx.c (simplify_immed_subreg): Likewise.
* stor-layout.c (bitwise_type_for_mode): Update assert.
(element_precision): Remove.
mode_inner1.patch
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