From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1922) id 58C263858C83; Fri, 21 Apr 2023 15:48:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 58C263858C83 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1682092128; bh=Ak0vBh+Gp4AjRBhvfSsLQ6Bfrb2pRQfOXKaXnhogh+o=; h=From:To:Subject:Date:From; b=kXqalOJFwEnrXwHigcrRwmtTqji1w8JMgQtfraI0Wc3ATR3PRnEzWTQA4Y25ircWv QV9EUgTC0dmUCGP1aSAbN1wB8+oE34VYrbMzDnHQBVTvaxcHWx3HLKR8+jZZHlZgyb WEzSDYTtaMYHmVcfr9nj9NFKhz8YsiNt9FdHPLro= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Prathamesh Kulkarni To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-147] [aarch64] Use force_reg instead of copy_to_mode_reg. X-Act-Checkin: gcc X-Git-Author: Prathamesh Kulkarni X-Git-Refname: refs/heads/master X-Git-Oldrev: 18c9427b66fc0df663ae30ba721ef4e590902e30 X-Git-Newrev: e306501ff556647dc31915a63ce95a5496f08f97 Message-Id: <20230421154848.58C263858C83@sourceware.org> Date: Fri, 21 Apr 2023 15:48:48 +0000 (GMT) List-Id: https://gcc.gnu.org/g:e306501ff556647dc31915a63ce95a5496f08f97 commit r14-147-ge306501ff556647dc31915a63ce95a5496f08f97 Author: Prathamesh Kulkarni Date: Fri Apr 21 21:17:33 2023 +0530 [aarch64] Use force_reg instead of copy_to_mode_reg. Use force_reg instead of copy_to_mode_reg in aarch64_simd_dup_constant and aarch64_expand_vector_init to avoid creating pseudo if original value is already in a register. gcc/ChangeLog: * config/aarch64/aarch64.cc (aarch64_simd_dup_constant): Use force_reg instead of copy_to_mode_reg. (aarch64_expand_vector_init): Likewise. Diff: --- gcc/config/aarch64/aarch64.cc | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc index 0d7470c05a1..321580d7f6a 100644 --- a/gcc/config/aarch64/aarch64.cc +++ b/gcc/config/aarch64/aarch64.cc @@ -21968,7 +21968,7 @@ aarch64_simd_dup_constant (rtx vals) /* We can load this constant by using DUP and a constant in a single ARM register. This will be cheaper than a vector load. */ - x = copy_to_mode_reg (inner_mode, x); + x = force_reg (inner_mode, x); return gen_vec_duplicate (mode, x); } @@ -22082,7 +22082,7 @@ aarch64_expand_vector_init (rtx target, rtx vals) /* Splat a single non-constant element if we can. */ if (all_same) { - rtx x = copy_to_mode_reg (inner_mode, v0); + rtx x = force_reg (inner_mode, v0); aarch64_emit_move (target, gen_vec_duplicate (mode, x)); return; } @@ -22190,12 +22190,12 @@ aarch64_expand_vector_init (rtx target, rtx vals) vector register. For big-endian we want that position to hold the last element of VALS. */ maxelement = BYTES_BIG_ENDIAN ? n_elts - 1 : 0; - rtx x = copy_to_mode_reg (inner_mode, XVECEXP (vals, 0, maxelement)); + rtx x = force_reg (inner_mode, XVECEXP (vals, 0, maxelement)); aarch64_emit_move (target, lowpart_subreg (mode, x, inner_mode)); } else { - rtx x = copy_to_mode_reg (inner_mode, XVECEXP (vals, 0, maxelement)); + rtx x = force_reg (inner_mode, XVECEXP (vals, 0, maxelement)); aarch64_emit_move (target, gen_vec_duplicate (mode, x)); } @@ -22205,7 +22205,7 @@ aarch64_expand_vector_init (rtx target, rtx vals) rtx x = XVECEXP (vals, 0, i); if (matches[i][0] == maxelement) continue; - x = copy_to_mode_reg (inner_mode, x); + x = force_reg (inner_mode, x); emit_insn (GEN_FCN (icode) (target, x, GEN_INT (i))); } return; @@ -22249,7 +22249,7 @@ aarch64_expand_vector_init (rtx target, rtx vals) rtx x = XVECEXP (vals, 0, i); if (CONST_INT_P (x) || CONST_DOUBLE_P (x)) continue; - x = copy_to_mode_reg (inner_mode, x); + x = force_reg (inner_mode, x); emit_insn (GEN_FCN (icode) (target, x, GEN_INT (i))); } }