r254469 - in /trunk/gcc: ChangeLog config/aarch...

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Mon Nov  6 20:02:49 2017
New Revision: 254469

URL: https://gcc.gnu.org/viewcvs?rev=254469&root=gcc&view=rev
Log:
[AArch64] Pass number of units to aarch64_expand_vec_perm(_const)

This patch passes the number of units to aarch64_expand_vec_perm
and aarch64_expand_vec_perm_const, which avoids a to_constant ()
once GET_MODE_NUNITS is variable.

2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

gcc/
	* config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm)
	(aarch64_expand_vec_perm_const): Take the number of units too.
	* config/aarch64/aarch64.c (aarch64_expand_vec_perm)
	(aarch64_expand_vec_perm_const): Likewise.
	* config/aarch64/aarch64-simd.md (vec_perm_const<mode>)
	(vec_perm<mode>): Update accordingly.

Reviewed-by: James Greenhalgh <james.greenhalgh@arm.com>

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-protos.h
    trunk/gcc/config/aarch64/aarch64-simd.md
    trunk/gcc/config/aarch64/aarch64.c