From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1005) id 8071E3858D1E; Tue, 18 Apr 2023 22:16:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8071E3858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1681856196; bh=ojEuR3tDpDFqD8vIzftkMklyPtki54NasIoEqYcPPCY=; h=From:To:Subject:Date:From; b=iI8gLxHi9pvV6DfBzHzPIU3Qo+ylAO2QCkznW8VDPbCMmoSSSm3z9W4RGxo5L6/Ht 0fm/bWWujZ+mS+PSC1f+L8j/Drfk8fbRd9snxwSJqZNpYjepGQo0oCTnB3FgWt+pjO ixEUKVo6R483lr138h+ioGEPl09bD6Zda4XMZP1Q= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Michael Meissner To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/meissner/heads/work119)] Update ChangeLog.* X-Act-Checkin: gcc X-Git-Author: Michael Meissner X-Git-Refname: refs/users/meissner/heads/work119 X-Git-Oldrev: eb3749749c713055dfc79b419cf4541fb6753d31 X-Git-Newrev: 2c37d93bf15ae8f5b0bcfe7c91108d5ff262d2f1 Message-Id: <20230418221636.8071E3858D1E@sourceware.org> Date: Tue, 18 Apr 2023 22:16:36 +0000 (GMT) List-Id: https://gcc.gnu.org/g:2c37d93bf15ae8f5b0bcfe7c91108d5ff262d2f1 commit 2c37d93bf15ae8f5b0bcfe7c91108d5ff262d2f1 Author: Michael Meissner Date: Tue Apr 18 18:16:33 2023 -0400 Update ChangeLog.* Diff: --- gcc/ChangeLog.meissner | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner index 88bdd55c470..8fff1cb0c00 100644 --- a/gcc/ChangeLog.meissner +++ b/gcc/ChangeLog.meissner @@ -1,4 +1,26 @@ -==================== Branch work119, patch #21 ==================== +==================== Branch work119, patch #23 ==================== + +Optimize V8HI/V16QI vec_extract from memory with constant element number + +This patch adds combiner insns to fold in conversion to DImode from vec_extract +of a V8HI or V16QI variable with constant element number. With this patch, GCC +will directly emit LHA, LHZ, or LBZ without needing an instruction to do the +sign or zero extension. + + +2023-04-18 Michael Meissner + +gcc/ + + * config/rs6000/vsx.md (vsx_extract__load_to_udi): New insn. + (sx_extract_v8hi_load_to_sd): New insn. + +gcc/testsuite/ + + * gcc.target/powerpc/vec-extract-mem-char-1.c: New file. + * gcc.target/powerpc/vec-extract-mem-short-1.c: New file. + +==================== Branch work119, patch #22 ==================== Add float/double conversions fro V4SI vec_extract