[PATCH][GCC][AArch64] Allow any offset for SVE addressing modes before reload

[Tamar Christina]

Hi Richard,

The 02/11/2019 18:22, Richard Sandiford wrote:

> pollute the target-independent namespace).  Then we can use something like:
> 
>   expand_operand ops[3];
>   create_output_operand (&ops[0], dest, mode);
>   create_input_operand (&ops[1], pred, GET_MODE (pred));
>   create_input_operand (&ops[2], src, mode);
>   expand_insn (code_for_aarch64_pred_mov (mode), 3, ops);
> 
> (completely untested).
> 

Oh, I didn't know about these, thanks!

Bootstrapped on aarch64-none-linux-gnu and no issues.
Regtested on aarch64-none-elf with SVE on and no issues.

Ok for trunk?

Thanks,
Tamar

gcc/ChangeLog:

2019-02-13  Tamar Christina  <tamar.christina@arm.com>

	PR target/88847
	* config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
	Expose as @aarch64_pred_mov.
	* config/aarch64/aarch64.c (aarch64_classify_address):
	Use expand_insn which legitimizes operands.

gcc/testsuite/ChangeLog:

2019-02-13  Tamar Christina  <tamar.christina@arm.com>

	PR target/88847
	* gcc.target/aarch64/sve/pr88847.c: New test.

> Thanks,
> Richard

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