r260712 - in /trunk/gcc: ChangeLog config/aarch...

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Fri May 25 08:38:12 2018
New Revision: 260712

URL: https://gcc.gnu.org/viewcvs?rev=260712&root=gcc&view=rev
Log:
[AArch64] Add SVE support for integer division

After the previous patch to prevent pessimisation of divisions
by constants, this patch adds support for the SVE integer division
instructions.

2018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
	* config/aarch64/iterators.md (SVE_INT_BINARY_SD): New code iterator.
	(optab, sve_int_op): Handle div and udiv.
	* config/aarch64/aarch64-sve.md (<optab><mode>3): New expander
	for SVE_INT_BINARY_SD.
	(*<optab><mode>3): New insn for the same.

gcc/testsuite/
	* gcc.target/aarch64/sve/div_1.c: New test.
	* gcc.target/aarch64/sve/div_1_run.c: Likewise.
	* gcc.target/aarch64/sve/mul_highpart_2.c: Likewise.
	* gcc.target/aarch64/sve/mul_highpart_2_run.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/aarch64/sve/div_1.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/div_1_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/mul_highpart_2.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/mul_highpart_2_run.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-sve.md
    trunk/gcc/config/aarch64/iterators.md
    trunk/gcc/testsuite/ChangeLog