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From: Michael Meissner <meissner@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/meissner/heads/dmf004)] Revert patch. Date: Tue, 15 Nov 2022 18:43:23 +0000 (GMT) [thread overview] Message-ID: <20221115184323.B8C58392AC24@sourceware.org> (raw) https://gcc.gnu.org/g:646e2e9bb56adf101680da2b13f9dd6e2d46d75b commit 646e2e9bb56adf101680da2b13f9dd6e2d46d75b Author: Michael Meissner <meissner@linux.ibm.com> Date: Tue Nov 15 13:42:53 2022 -0500 Revert patch. Add parameter for memcpy inline code moves 2022-11-15 Michael Meissner <meissner@linux.ibm.com> gcc/ Revert patch. * config/rs6000/rs6000.opt (rs6000-memcpy-inline-bytes): New parameter, set to 0. * config/rs6000/rs6000-string.cc (expand_block_move): Only do optimization if rs6000-memcpy-inline-bytes is 16. Diff: --- gcc/config/rs6000/rs6000-string.cc | 1 - gcc/config/rs6000/rs6000.opt | 5 ----- 2 files changed, 6 deletions(-) diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc index 1fa2d1fe553..2468e375781 100644 --- a/gcc/config/rs6000/rs6000-string.cc +++ b/gcc/config/rs6000/rs6000-string.cc @@ -2766,7 +2766,6 @@ expand_block_move (rtx operands[], bool might_overlap) if (! constp) { if (TARGET_BLOCK_OPS_UNALIGNED_VSX && TARGET_P9_VECTOR && TARGET_64BIT - && rs6000_memcpy_inline_bytes == 16 && !optimize_size) { rtx join_label = gen_label_rtx (); diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt index 90dc91a277f..6872d359952 100644 --- a/gcc/config/rs6000/rs6000.opt +++ b/gcc/config/rs6000/rs6000.opt @@ -687,8 +687,3 @@ default value is 4. Target Undocumented Joined UInteger Var(rs6000_vect_unroll_reduc_threshold) Init(1) Param When reduction factor computed for a loop exceeds the threshold specified by this parameter, prefer to unroll this loop. The default value is 1. - --param=rs6000-memcpy-inline-bytes= -Target Undocumented Joined UInteger Var(rs6000_memcpy_inline_bytes) Init(0) Param -Maximum number of bytes to move with inline code before calling the memcpy -library function. The default value is 0.
next reply other threads:[~2022-11-15 18:43 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-15 18:43 Michael Meissner [this message] -- strict thread matches above, loose matches on Subject: below -- 2022-11-17 22:08 Michael Meissner 2022-11-17 21:54 Michael Meissner 2022-11-17 21:54 Michael Meissner 2022-11-17 21:53 Michael Meissner 2022-11-15 1:52 Michael Meissner 2022-11-12 0:42 Michael Meissner
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