From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1005) id C7B883858C66; Fri, 1 Mar 2024 23:34:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C7B883858C66 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709336046; bh=zCeNp0hYN17VLyV/BwwhQeAFL7pd1X5rS+B46aYwQLs=; h=From:To:Subject:Date:From; b=h8JRWgy4l9M/HqxDkmk6SbBcZgJyVNoO+fdFEdZXOrquvE+kTWHhTc8OaPJpuHGPR 20ASGivJcAAc/ClXOFeDr/W6pEZfKeV274UlPva7fBR+cIAmJInS5akly74ooEXkIX jTkt+zNfWzjVQefDhDuXSmCSyIE+2YMY62b7fBDE= 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/work161-dmf)] Use vector pair load/store for memcpy with -mcpu=future X-Act-Checkin: gcc X-Git-Author: Michael Meissner X-Git-Refname: refs/users/meissner/heads/work161-dmf X-Git-Oldrev: 0a34fef31def40a6d7191f5c811ed4e9bb9c86fe X-Git-Newrev: a1e127935fe9e7135bf3cc55dcf8c0bcc352e065 Message-Id: <20240301233406.C7B883858C66@sourceware.org> Date: Fri, 1 Mar 2024 23:34:06 +0000 (GMT) List-Id: https://gcc.gnu.org/g:a1e127935fe9e7135bf3cc55dcf8c0bcc352e065 commit a1e127935fe9e7135bf3cc55dcf8c0bcc352e065 Author: Michael Meissner Date: Fri Mar 1 16:56:11 2024 -0500 Use vector pair load/store for memcpy with -mcpu=future In the development for the power10 processor, GCC did not enable using the load vector pair and store vector pair instructions when optimizing things like memory copy. This patch enables using those instructions if -mcpu=future is used. 2024-03-01 Michael Meissner gcc/ * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Enable using load vector pair and store vector pair instructions for memory copy operations. (POWERPC_MASKS): Make the bit for enabling using load vector pair and store vector pair operations set and reset when the PowerPC processor is changed. Diff: --- gcc/config/rs6000/rs6000-cpus.def | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def index 77170915615..8da1d560e49 100644 --- a/gcc/config/rs6000/rs6000-cpus.def +++ b/gcc/config/rs6000/rs6000-cpus.def @@ -92,6 +92,7 @@ /* Flags for a potential future processor that may or may not be made. */ #define ISA_FUTURE_MASKS_SERVER (ISA_POWER11_MASKS_SERVER \ + | OPTION_MASK_BLOCK_OPS_VECTOR_PAIR \ | OPTION_MASK_FUTURE) /* Flags that need to be turned off if -mno-vsx. */ @@ -123,6 +124,7 @@ /* Mask of all options to set the default isa flags based on -mcpu=. */ #define POWERPC_MASKS (OPTION_MASK_ALTIVEC \ + | OPTION_MASK_BLOCK_OPS_VECTOR_PAIR \ | OPTION_MASK_CMPB \ | OPTION_MASK_CRYPTO \ | OPTION_MASK_DFP \