From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 371E6C2BCA1 for ; Fri, 7 Jun 2019 16:56:17 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C3C572083D for ; Fri, 7 Jun 2019 16:56:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C3C572083D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49592 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZIA3-0002YZ-PE for qemu-devel@archiver.kernel.org; Fri, 07 Jun 2019 12:56:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53686) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZGzw-0003i0-MW for qemu-devel@nongnu.org; Fri, 07 Jun 2019 11:41:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZGxV-0002Wg-Oc for qemu-devel@nongnu.org; Fri, 07 Jun 2019 11:39:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52970) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hZGxT-0002Ru-6a for qemu-devel@nongnu.org; Fri, 07 Jun 2019 11:39:13 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6DDB2C00DE0C; Fri, 7 Jun 2019 15:39:04 +0000 (UTC) Received: from x1w.redhat.com (unknown [10.40.205.135]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C883880883; Fri, 7 Jun 2019 15:38:57 +0000 (UTC) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Yoshinori Sato , qemu-devel@nongnu.org, Igor Mammedov , Richard Henderson Date: Fri, 7 Jun 2019 17:37:16 +0200 Message-Id: <20190607153725.18055-21-philmd@redhat.com> In-Reply-To: <20190607153725.18055-1-philmd@redhat.com> References: <20190607153725.18055-1-philmd@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Fri, 07 Jun 2019 15:39:04 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v18 20/29] target/rx: Disassemble rx_index_addr into a string X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson We were eliding all zero indexes. It is only ld=3D=3D0 that does not have an index in the instruction. This also allows us to avoid breaking the final print into multiple pieces. Reviewed-by: Yoshinori Sato Signed-off-by: Yoshinori Sato Message-Id: <20190607091116.49044-19-ysato@users.sourceforge.jp> Tested-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- target/rx/disas.c | 154 +++++++++++++++++----------------------------- 1 file changed, 55 insertions(+), 99 deletions(-) diff --git a/target/rx/disas.c b/target/rx/disas.c index 8cada4825d..64342537ee 100644 --- a/target/rx/disas.c +++ b/target/rx/disas.c @@ -107,49 +107,42 @@ static const char psw[] =3D { 'i', 'u', 0, 0, 0, 0, 0, 0, }; =20 -static uint32_t rx_index_addr(int ld, int size, DisasContext *ctx) +static void rx_index_addr(DisasContext *ctx, char out[8], int ld, int mi= ) { - bfd_byte buf[2]; + uint32_t addr =3D ctx->addr; + uint8_t buf[2]; + uint16_t dsp; + switch (ld) { case 0: - return 0; + /* No index; return empty string. */ + out[0] =3D '\0'; + return; case 1: - ctx->dis->read_memory_func(ctx->addr, buf, 1, ctx->dis); ctx->addr +=3D 1; - return ((uint8_t)buf[0]) << size; + ctx->dis->read_memory_func(addr, buf, 1, ctx->dis); + dsp =3D buf[0]; + break; case 2: - ctx->dis->read_memory_func(ctx->addr, buf, 2, ctx->dis); ctx->addr +=3D 2; - return lduw_le_p(buf) << size; + ctx->dis->read_memory_func(addr, buf, 2, ctx->dis); + dsp =3D lduw_le_p(buf); + break; + default: + g_assert_not_reached(); } - g_assert_not_reached(); + + sprintf(out, "%u", dsp << (mi < 3 ? mi : 4 - mi)); } =20 static void operand(DisasContext *ctx, int ld, int mi, int rs, int rd) { - int dsp; static const char sizes[][4] =3D {".b", ".w", ".l", ".uw", ".ub"}; + char dsp[8]; + if (ld < 3) { - switch (mi) { - case 4: - /* dsp[rs].ub */ - dsp =3D rx_index_addr(ld, RX_MEMORY_BYTE, ctx); - break; - case 3: - /* dsp[rs].uw */ - dsp =3D rx_index_addr(ld, RX_MEMORY_WORD, ctx); - break; - default: - /* dsp[rs].b */ - /* dsp[rs].w */ - /* dsp[rs].l */ - dsp =3D rx_index_addr(ld, mi, ctx); - break; - } - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d]%s", rs, sizes[mi]); + rx_index_addr(ctx, dsp, ld, mi); + prt("%s[r%d]%s", dsp, rs, sizes[mi]); } else { prt("r%d", rs); } @@ -235,7 +228,7 @@ static bool trans_MOV_ra(DisasContext *ctx, arg_MOV_r= a *a) /* mov.[bwl] rs,rd */ static bool trans_MOV_mm(DisasContext *ctx, arg_MOV_mm *a) { - int dsp; + char dspd[8], dsps[8]; =20 prt("mov.%c\t", size[a->sz]); if (a->lds =3D=3D 3 && a->ldd =3D=3D 3) { @@ -244,29 +237,15 @@ static bool trans_MOV_mm(DisasContext *ctx, arg_MOV= _mm *a) return true; } if (a->lds =3D=3D 3) { - prt("r%d, ", a->rd); - dsp =3D rx_index_addr(a->ldd, a->sz, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d]", a->rs); + rx_index_addr(ctx, dspd, a->ldd, a->sz); + prt("r%d, %s[r%d]", a->rs, dspd, a->rd); } else if (a->ldd =3D=3D 3) { - dsp =3D rx_index_addr(a->lds, a->sz, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d], r%d", a->rs, a->rd); + rx_index_addr(ctx, dsps, a->lds, a->sz); + prt("%s[r%d], r%d", dsps, a->rs, a->rd); } else { - dsp =3D rx_index_addr(a->lds, a->sz, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d], ", a->rs); - dsp =3D rx_index_addr(a->ldd, a->sz, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d]", a->rd); + rx_index_addr(ctx, dsps, a->lds, a->sz); + rx_index_addr(ctx, dspd, a->ldd, a->sz); + prt("%s[r%d], %s[r%d]", dsps, a->rs, dspd, a->rd); } return true; } @@ -357,12 +336,10 @@ static bool trans_PUSH_r(DisasContext *ctx, arg_PUS= H_r *a) /* push dsp[rs] */ static bool trans_PUSH_m(DisasContext *ctx, arg_PUSH_m *a) { - prt("push\t"); - int dsp =3D rx_index_addr(a->ld, a->sz, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d]", a->rs); + char dsp[8]; + + rx_index_addr(ctx, dsp, a->ld, a->sz); + prt("push\t%s[r%d]", dsp, a->rs); return true; } =20 @@ -389,17 +366,13 @@ static bool trans_XCHG_rr(DisasContext *ctx, arg_XC= HG_rr *a) /* xchg dsp[rs].,rd */ static bool trans_XCHG_mr(DisasContext *ctx, arg_XCHG_mr *a) { - int dsp; static const char msize[][4] =3D { "b", "w", "l", "ub", "uw", }; + char dsp[8]; =20 - prt("xchg\t"); - dsp =3D rx_index_addr(a->ld, a->mi, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d].%s, r%d", a->rs, msize[a->mi], a->rd); + rx_index_addr(ctx, dsp, a->ld, a->mi); + prt("xchg\t%s[r%d].%s, r%d", dsp, a->rs, msize[a->mi], a->rd); return true; } =20 @@ -552,13 +525,10 @@ static bool trans_ADC_rr(DisasContext *ctx, arg_ADC= _rr *a) /* adc dsp[rs], rd */ static bool trans_ADC_mr(DisasContext *ctx, arg_ADC_mr *a) { - int dsp; - prt("adc\t"); - dsp =3D rx_index_addr(a->ld, 2, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d], r%d", a->rs, a->rd); + char dsp[8]; + + rx_index_addr(ctx, dsp, a->ld, 2); + prt("adc\t%s[r%d], r%d", dsp, a->rs, a->rd); return true; } =20 @@ -1217,25 +1187,17 @@ static bool trans_ITOF(DisasContext *ctx, arg_ITO= F *a) =20 #define BOP_IM(name, reg) \ do { \ - int dsp; \ - prt("b%s\t#%d, ", #name, a->imm); \ - dsp =3D rx_index_addr(a->ld, RX_MEMORY_BYTE, ctx); \ - if (dsp > 0) { \ - prt("%d", dsp); \ - } \ - prt("[r%d]", reg); \ + char dsp[8]; \ + rx_index_addr(ctx, dsp, a->ld, RX_MEMORY_BYTE); \ + prt("b%s\t#%d, %s[r%d]", #name, a->imm, dsp, reg); \ return true; \ } while (0) =20 #define BOP_RM(name) \ do { \ - int dsp; \ - prt("b%s\tr%d, ", #name, a->rd); \ - dsp =3D rx_index_addr(a->ld, RX_MEMORY_BYTE, ctx); \ - if (dsp > 0) { \ - prt("%d", dsp); \ - } \ - prt("[r%d]", a->rs); \ + char dsp[8]; \ + rx_index_addr(ctx, dsp, a->ld, RX_MEMORY_BYTE); \ + prt("b%s\tr%d, %s[r%d]", #name, a->rd, dsp, a->rs); \ return true; \ } while (0) =20 @@ -1346,12 +1308,10 @@ static bool trans_BNOT_ir(DisasContext *ctx, arg_= BNOT_ir *a) /* bmcond #imm, dsp[rd] */ static bool trans_BMCnd_im(DisasContext *ctx, arg_BMCnd_im *a) { - int dsp =3D rx_index_addr(a->ld, RX_MEMORY_BYTE, ctx); - prt("bm%s\t#%d, ", cond[a->cd], a->imm); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[%d]", a->rd); + char dsp[8]; + + rx_index_addr(ctx, dsp, a->ld, RX_MEMORY_BYTE); + prt("bm%s\t#%d, %s[r%d]", cond[a->cd], a->imm, dsp, a->rd); return true; } =20 @@ -1443,16 +1403,12 @@ static bool trans_WAIT(DisasContext *ctx, arg_WAI= T *a) /* sccnd.[bwl] dsp:[rd] */ static bool trans_SCCnd(DisasContext *ctx, arg_SCCnd *a) { - int dsp; - prt("sc%s.%c\t", cond[a->cd], size[a->sz]); if (a->ld < 3) { - dsp =3D rx_index_addr(a->sz, a->ld, ctx); - if (dsp > 0) { - prt("%d", dsp); - } - prt("[r%d]", a->rd); + char dsp[8]; + rx_index_addr(ctx, dsp, a->sz, a->ld); + prt("sc%s.%c\t%s[r%d]", cond[a->cd], size[a->sz], dsp, a->rd); } else { - prt("r%d", a->rd); + prt("sc%s.%c\tr%d", cond[a->cd], size[a->sz], a->rd); } return true; } --=20 2.20.1