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re PR rtl-optimization/83628 (performance regression when accessing arrays on alpha)

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PR target/83628
	* combine.c (force_int_to_mode) <case ASHIFT>: Use mode instead of
	op_mode in the force_to_mode call.

From-SVN: r256387
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Uros Bizjak 2018-01-09 17:27:11 +01:00 committed by Uros Bizjak
parent 326ac20ea3
commit 49bb43bef3
2 changed files with 7 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-01-09 Uros Bizjak <ubizjak@gmail.com>
PR target/83628
* combine.c (force_int_to_mode) <case ASHIFT>: Use mode instead of
op_mode in the force_to_mode call.
2018-01-09 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p

2
gcc/combine.c
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@ -8908,7 +8908,7 @@ force_int_to_mode (rtx x, scalar_int_mode mode, scalar_int_mode xmode,
mask = fuller_mask;
op0 = gen_lowpart_or_truncate (op_mode,
force_to_mode (XEXP (x, 0), op_mode,
force_to_mode (XEXP (x, 0), mode,
mask, next_select));
if (op_mode != xmode || op0 != XEXP (x, 0))