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Re: [15/77] Add scalar_int_mode


On 07/13/2017 02:43 AM, Richard Sandiford wrote:
> Similar to the previous scalar_float_mode patch, but for modes that
> satisfy SCALAR_INT_MODE_P.  There are very many uses of scalar integers,
> so this patch only makes a token change to the types of byte_mode,
> word_mode, ptr_mode and rs6000_pmode.  The next patches in the series
> gradually replace more uses.
> 
> The patch also removes and adds casts to some target-specific code
> due to the new types of SImode, DImode and Pmode.
> 
> The as_a <scalar_int_mode> goes away in a later patch.
> 
> 2017-07-13  Richard Sandiford  <richard.sandiford@linaro.org>
> 	    Alan Hayward  <alan.hayward@arm.com>
> 	    David Sherwood  <david.sherwood@arm.com>
> 
> gcc/
> 	* config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
> 	machine_mode to scalar_int_mode.
> 	* config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
> 	(rs6000_option_override_internal): Remove cast to int.
> 	* config/rs6000/rs6000.h (rs6000_pmode): Change type from
> 	machine_mode to scalar_int_mode.
> 	* config/rs6000/rs6000.c (rs6000_pmode): Likewise.
> 	(rs6000_option_override_internal): Remove cast to int.
> 	* config/s390/s390.h (Pmode): Remove cast to machine_mode.
> 	* config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
> 	to machine_mode.
> 	* config/s390/s390.c (s390_expand_builtin): Likewise.
> 	* coretypes.h (scalar_int_mode): New type.
> 	(opt_scalar_int_mode): New typedef.
> 	* machmode.h (scalar_int_mode): New class.
> 	(scalar_int_mode::includes_p): New function.
> 	(byte_mode): Change type to scalar_int_mode.
> 	(word_mode): Likewise.
> 	(ptr_mode): Likewise.
> 	* emit-rtl.c (byte_mode): Likewise.
> 	(word_mode): Likewise.
> 	(ptr_mode): Likewise.
> 	(init_derived_machine_modes): Update accordingly.
> 	* genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
> 	and MODE_PARTIAL_INT.
> 	* gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
> 	opt_scalar_int_mode.
OK.
jeff


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