Message ID | 20240508094602.C9BED393BA4D@sourceware.org |
---|---|
State | New |
Headers | show
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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1715161538; h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version: content-type:content-type; bh=t8o/EQpUPbGRT7kWDG3gAO5t5xtN+avqQodTu6GQQ+0=; b=XojTaa3dVEN/V21Hr2Pg7qu2ONGCcfHFfEz8Y6h4nG0oX/m7SPKXF7sC2Y52txHZLfMMNG ThD1Ldo0jWGU3sCw== Date: Wed, 8 May 2024 11:45:37 +0200 (CEST) From: Richard Biener <rguenther@suse.de> To: gcc-patches@gcc.gnu.org Subject: [PATCH] Fix SLP reduction initial value for pointer reductions MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Level: X-Spamd-Result: default: False [-1.16 / 50.00]; MISSING_MID(2.50)[]; BAYES_HAM(-2.37)[97.07%]; NEURAL_HAM_LONG(-1.00)[-0.997]; NEURAL_HAM_SHORT(-0.20)[-0.998]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_ZERO(0.00)[0]; ARC_NA(0.00)[]; MISSING_XM_UA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_NONE(0.00)[]; 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Series |
Fix SLP reduction initial value for pointer reductions
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expand
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diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 29c03c246d4..704df7bdcc7 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -5618,7 +5618,14 @@ get_initial_defs_for_reduction (loop_vec_info loop_vinfo, if (i >= initial_values.length () || (j > i && neutral_op)) op = neutral_op; else - op = initial_values[i]; + { + if (!useless_type_conversion_p (TREE_TYPE (vector_type), + TREE_TYPE (initial_values[i]))) + initial_values[i] = gimple_convert (&ctor_seq, + TREE_TYPE (vector_type), + initial_values[i]); + op = initial_values[i]; + } /* Create 'vect_ = {op0,op1,...,opn}'. */ number_of_places_left_in_vector--;