This patch adds support for scatter stores of partial vectors,
where the vector base or offset elements can be wider than the
elements being stored.
2019-11-16 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* config/aarch64/aarch64-sve.md
(scatter_store<SVE_FULL_SD:mode><v_int_equiv>): Extend to...
(scatter_store<SVE_24:mode><v_int_container>): ...this.
(mask_scatter_store<SVE_FULL_S:mode><v_int_equiv>): Extend to...
(mask_scatter_store<SVE_4:mode><v_int_equiv>): ...this.
(mask_scatter_store<SVE_FULL_D:mode><v_int_equiv>): Extend to...
(mask_scatter_store<SVE_2:mode><v_int_equiv>): ...this.
(*mask_scatter_store<mode><v_int_container>_<su>xtw_unpacked): New
pattern.
(*mask_scatter_store<SVE_FULL_D:mode><v_int_equiv>_sxtw): Extend to...
(*mask_scatter_store<SVE_2:mode><v_int_equiv>_sxtw): ...this.
(*mask_scatter_store<SVE_FULL_D:mode><v_int_equiv>_uxtw): Extend to...
(*mask_scatter_store<SVE_2:mode><v_int_equiv>_uxtw): ...this.
gcc/testsuite/
* gcc.target/aarch64/sve/scatter_store_1.c (TEST_LOOP): Start at 0.
(TEST_ALL): Add tests for 8-bit and 16-bit elements.
* gcc.target/aarch64/sve/scatter_store_2.c: Update accordingly.
* gcc.target/aarch64/sve/scatter_store_3.c (TEST_LOOP): Start at 0.
(TEST_ALL): Add tests for 8-bit and 16-bit elements.
* gcc.target/aarch64/sve/scatter_store_4.c: Update accordingly.
* gcc.target/aarch64/sve/scatter_store_5.c (TEST_LOOP): Start at 0.
(TEST_ALL): Add tests for 8-bit, 16-bit and 32-bit elements.
* gcc.target/aarch64/sve/scatter_store_8.c: New test.
* gcc.target/aarch64/sve/scatter_store_9.c: Likewise.
From-SVN: r278347
