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([2602:ae:1598:4c01:9902:96ac:8d8c:4366]) by smtp.gmail.com with ESMTPSA id ik9-20020a170902ab0900b001ab0aec388bsm13694335plb.135.2023.05.15.07.33.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 May 2023 07:33:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684161226; x=1686753226; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kNGmF8W7v6Sxbzk1GnBwY+ErFtp6C+F1QfXFPbibcyI=; b=eQt0RcAWhzyW2Wopvg07MsRwJi1ZEuf6nPyHHDqUfCSAcNYMq2343bqW2PeRl1uKlz m8QY53+nzWBJCub/B6y2gc5xJfl773zXd1YE8mgSqhG+DmuhuMK8gSXnOjvJojvAevMp i6QUhrwpQRIFgVKtkdMpRRrMzG/ossiX/eist+TN1WV4Qn9Jl6I+FFRIvI5XFx3l5+0K q4DaEjHHok+EtMSr/WvlDbyY6JImSnh7II8Rx9/cOkdIhFTHgkA6YnNIHnRNLdhCKoWE bVuxfEb7TzQUPmbYLY+SaaZSltbXkSOQwFO+GnNAhIazJI8sXCK9EqF6rZTddth+SYXi JRyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684161226; x=1686753226; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kNGmF8W7v6Sxbzk1GnBwY+ErFtp6C+F1QfXFPbibcyI=; b=aPES8ezTSHawpTKTWIKsnYPpxct/5M5dNOaASsBIbL6faFW90YT98LCODIGrxm8r4M l4+9/NqjZ38V1NRgtT5TUnDPGkj9BPn5SM3BcItZ2Hfp9lPTRYtWtyX8XoiReB4g83I4 tbCTPHRsa3CLo4i7gSJK/okA92DtsO8U3+6h6QQnPOPHzOarVAUcHidM9ZfcruBjV4Up APmNaUFXdTkIhaK+mFx+szRyb9sjM0NKp6dml2uLnpPXKUZkz4bDHBnvALRRnnuwvDNx fQXINaDP7WZyhC96hqE+eTzhtmyqSbUsyDFCGfWWa5n76JV0nVlQ4Yugc4SFfO+sgdOY IKjg== X-Gm-Message-State: AC+VfDyqMjEGcLbTe8dkwsmLnvXvYjs3pnprAd130WCtuzlYpBl7tDG1 B2whlBjdtRrJXPAQnCya1qXryoJYuXL3C8vI5Pc= X-Google-Smtp-Source: ACHHUZ6L/q4oZHAYLcySaFhpNwrT0gg9rmU3Fl+nJI7VpmC1uN8wDdfbj0oS2ObhCwd/8BMw9iayFw== X-Received: by 2002:a17:902:c94b:b0:1ab:14f2:e7e6 with SMTP id i11-20020a170902c94b00b001ab14f2e7e6mr42088614pla.65.1684161226395; Mon, 15 May 2023 07:33:46 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH v5 37/54] tcg: Merge tcg_out_helper_load_regs into caller Date: Mon, 15 May 2023 07:32:56 -0700 Message-Id: <20230515143313.734053-38-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230515143313.734053-1-richard.henderson@linaro.org> References: <20230515143313.734053-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::633; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x633.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1684161529915100007 Content-Type: text/plain; charset="utf-8" Now that tcg_out_helper_load_regs is not recursive, we can merge it into its only caller, tcg_out_helper_load_slots. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- tcg/tcg.c | 89 +++++++++++++++++++++++++------------------------------ 1 file changed, 41 insertions(+), 48 deletions(-) diff --git a/tcg/tcg.c b/tcg/tcg.c index 8688248284..ff7aec23e7 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -5223,12 +5223,50 @@ static int tcg_out_helper_stk_ofs(TCGType type, uns= igned slot) return ofs; } =20 -static void tcg_out_helper_load_regs(TCGContext *s, - unsigned nmov, TCGMovExtend *mov, - const TCGLdstHelperParam *parm) +static void tcg_out_helper_load_slots(TCGContext *s, + unsigned nmov, TCGMovExtend *mov, + const TCGLdstHelperParam *parm) { + unsigned i; TCGReg dst3; =20 + /* + * Start from the end, storing to the stack first. + * This frees those registers, so we need not consider overlap. + */ + for (i =3D nmov; i-- > 0; ) { + unsigned slot =3D mov[i].dst; + + if (arg_slot_reg_p(slot)) { + goto found_reg; + } + + TCGReg src =3D mov[i].src; + TCGType dst_type =3D mov[i].dst_type; + MemOp dst_mo =3D dst_type =3D=3D TCG_TYPE_I32 ? MO_32 : MO_64; + + /* The argument is going onto the stack; extend into scratch. */ + if ((mov[i].src_ext & MO_SIZE) !=3D dst_mo) { + tcg_debug_assert(parm->ntmp !=3D 0); + mov[i].dst =3D src =3D parm->tmp[0]; + tcg_out_movext1(s, &mov[i]); + } + + tcg_out_st(s, dst_type, src, TCG_REG_CALL_STACK, + tcg_out_helper_stk_ofs(dst_type, slot)); + } + return; + + found_reg: + /* + * The remaining arguments are in registers. + * Convert slot numbers to argument registers. + */ + nmov =3D i + 1; + for (i =3D 0; i < nmov; ++i) { + mov[i].dst =3D tcg_target_call_iarg_regs[mov[i].dst]; + } + switch (nmov) { case 4: /* The backend must have provided enough temps for the worst case.= */ @@ -5269,51 +5307,6 @@ static void tcg_out_helper_load_regs(TCGContext *s, } } =20 -static void tcg_out_helper_load_slots(TCGContext *s, - unsigned nmov, TCGMovExtend *mov, - const TCGLdstHelperParam *parm) -{ - unsigned i; - - /* - * Start from the end, storing to the stack first. - * This frees those registers, so we need not consider overlap. - */ - for (i =3D nmov; i-- > 0; ) { - unsigned slot =3D mov[i].dst; - - if (arg_slot_reg_p(slot)) { - goto found_reg; - } - - TCGReg src =3D mov[i].src; - TCGType dst_type =3D mov[i].dst_type; - MemOp dst_mo =3D dst_type =3D=3D TCG_TYPE_I32 ? MO_32 : MO_64; - - /* The argument is going onto the stack; extend into scratch. */ - if ((mov[i].src_ext & MO_SIZE) !=3D dst_mo) { - tcg_debug_assert(parm->ntmp !=3D 0); - mov[i].dst =3D src =3D parm->tmp[0]; - tcg_out_movext1(s, &mov[i]); - } - - tcg_out_st(s, dst_type, src, TCG_REG_CALL_STACK, - tcg_out_helper_stk_ofs(dst_type, slot)); - } - return; - - found_reg: - /* - * The remaining arguments are in registers. - * Convert slot numbers to argument registers. - */ - nmov =3D i + 1; - for (i =3D 0; i < nmov; ++i) { - mov[i].dst =3D tcg_target_call_iarg_regs[mov[i].dst]; - } - tcg_out_helper_load_regs(s, nmov, mov, parm); -} - static void tcg_out_helper_load_imm(TCGContext *s, unsigned slot, TCGType type, tcg_target_long imm, const TCGLdstHelperParam *parm) --=20 2.34.1