From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1005) id 39A4A3858C74; Thu, 29 Feb 2024 19:28:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 39A4A3858C74 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709234882; bh=kfDHdqW7lY5xBDNthjVc9FV19IhJ4CPcUyOorAfYs2o=; h=From:To:Subject:Date:From; b=nJAbKdLoIyJsVbSoqtZ8d3Pbs8IxH9EK5zj2VeSsrpT1g+7OO3rctFVYuQvk0g08l ZdFFMFgLFLCJvVm/TP/reHFpu0YsV6uag/lZCTqnPINit73DymkrFbXdJFj6YinRUt px1noQDcKcmEnMrfWbulpQ1G5Agn+fC23+xl/lm0= 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: 80553f00623c0549c880e9e1a2b5e0eec737ddc8 X-Git-Newrev: 67b3087ce53266cf8bca245ea3616a4c11360291 Message-Id: <20240229192802.39A4A3858C74@sourceware.org> Date: Thu, 29 Feb 2024 19:28:02 +0000 (GMT) List-Id: https://gcc.gnu.org/g:67b3087ce53266cf8bca245ea3616a4c11360291 commit 67b3087ce53266cf8bca245ea3616a4c11360291 Author: Michael Meissner Date: Thu Feb 29 14:22:40 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. 2024-02-29 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 \