From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1005) id 26256384F6CD; Thu, 17 Nov 2022 21:53:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 26256384F6CD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1668722009; bh=6Yu9ZQnRyR0yDOAgwE38Cih0nh9MDjeEqWuMh/iaKS4=; h=From:To:Subject:Date:From; b=fIwTduXqAinL8R3IecvqZTn8kEQq0XKp42/iZIyiPH7M+JEwW2DCOhAUApVdFDpfS azTXHhiY3Z3ZBoIOexXrO0SnLDzEeFl9i2ip7ogwnZMjJ8j6BC3Z5KWfi6orqMCwdv cV5F8jOTfVukiWuKpAG6eGz25GQs0BWced/LrTP0= 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/dmf004)] Update ChangeLog.meissner. X-Act-Checkin: gcc X-Git-Author: Michael Meissner X-Git-Refname: refs/users/meissner/heads/dmf004 X-Git-Oldrev: 08e21237623cb6b52a4bb9920cadb20c344629ae X-Git-Newrev: 56f04bd0591571b3a7e19a724bf7f3624534b573 Message-Id: <20221117215329.26256384F6CD@sourceware.org> Date: Thu, 17 Nov 2022 21:53:29 +0000 (GMT) List-Id: https://gcc.gnu.org/g:56f04bd0591571b3a7e19a724bf7f3624534b573 commit 56f04bd0591571b3a7e19a724bf7f3624534b573 Author: Michael Meissner Date: Fri Nov 11 18:16:30 2022 -0500 Update ChangeLog.meissner. 2022-11-11 Michael Meissner gcc/ * ChangeLog.meissner: Update. Diff: --- gcc/ChangeLog.meissner | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner index 3ded45b2e72..c910d1b5625 100644 --- a/gcc/ChangeLog.meissner +++ b/gcc/ChangeLog.meissner @@ -1,3 +1,45 @@ +==================== Dmf004 branch, patch #16. + +Add saturating subtract built-in. + +This patch adds support for a saturating subtract built-in function that may be +added to a future PowerPC processor. Note, if it is added, the name of the +built-in function may change before GCC 13 is released. If the name changes, we +will submit a patch changing the name. + +I did add support for providing dense math built-in functions, even though at +present, we have not added any new built-in functions for dense math. + +2022-11-11 Michael Meissner + +gcc/ + + * config/rs6000/rs6000-builtin.cc (rs6000_invalid_builtin): Add support + for flagging invalid use of future built-in functions. + (rs6000_builtin_is_supported): Add support for future built-in + functions. + * config/rs6000/rs6000-builtins.def (__builtin_saturate_subtract32): New + built-in function for -mcpu=future. + (__builtin_saturate_subtract64): Likewise. + * config/rs6000/rs6000-gen-builtins.cc (enum bif_stanza): Add stanzas + for -mcpu=future built-ins. + (stanza_map): Likewise. + (enable_string): Likewise. + (struct attrinfo): Likewise. + (parse_bif_attrs): Likewise. + (write_decls): Likewise. + * config/rs6000/rs6000.md (sat_sub3): Add saturating subtract + built-in insn declarations. + (sat_sub3_dot): Likewise. + (sat_sub3_dot2): Likewise. + +gcc/testsuite/ + + * gcc.target/powerpc/subfus-1.c: New test. + * gcc.target/powerpc/subfus-2.c: Likewise. + * lib/target-supports.exp (check_effective_target_powerpc_subfus_ok): + New effective target. + ==================== Dmf004 branch, patch #15. Add support for 1,024 bit DMR registers.