From patchwork Fri Sep 28 00:12:35 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 187601 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 74B472C00B7 for ; Fri, 28 Sep 2012 10:12:51 +1000 (EST) Received: from localhost ([::1]:52019 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THOCH-0001Wp-GB for incoming@patchwork.ozlabs.org; Thu, 27 Sep 2012 20:12:49 -0400 Received: from eggs.gnu.org ([208.118.235.92]:35843) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THOCA-0001Wk-8a for qemu-devel@nongnu.org; Thu, 27 Sep 2012 20:12:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1THOC8-0008Kb-Bt for qemu-devel@nongnu.org; Thu, 27 Sep 2012 20:12:42 -0400 Received: from mail-da0-f45.google.com ([209.85.210.45]:55624) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THOC8-0008KR-2G for qemu-devel@nongnu.org; Thu, 27 Sep 2012 20:12:40 -0400 Received: by dadn15 with SMTP id n15so515609dad.4 for ; Thu, 27 Sep 2012 17:12:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=BgR/1yJBlV5L329sLHxjCdye4joVdP7xw+7ZpTElYZQ=; b=zIH6ILvYSKdnfLDZ5bOAx11IjPylXFirV+ygdeSBcXCNXVBBYjgez9CsIRHf0CphZQ gFHgveHi652DapVzvFB0+PjOVNr4/lh8EDKOjoPtYSJfzrGW1S88c/Vg3/aOWq4uIHWU vhpHmHrSU0zDpYCR12ZOUwIinSvPK00debJx4DcYYGh8OGYfcqYVEayr7tflJQZC6PcN s1XOo0yaMqVhmFn6DnuyWaoOn1cxVQcI0ikOH6la2J9FiBfXXp3cf05mmaUdAtIAva6p QU4K6NUGi+fqTZhbyJlpQ+J7joy4XLyIx02TOcgbNjpqjAgSx9etzB90Xc2twdYIIsPn nHlA== Received: by 10.68.135.39 with SMTP id pp7mr15690222pbb.127.1348791159353; Thu, 27 Sep 2012 17:12:39 -0700 (PDT) Received: from anchor.twiddle.home.com ([173.160.232.49]) by mx.google.com with ESMTPS id vl8sm4591862pbc.37.2012.09.27.17.12.38 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 27 Sep 2012 17:12:38 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 27 Sep 2012 17:12:35 -0700 Message-Id: <1348791155-26081-1-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.7.11.4 In-Reply-To: <1348785610-23418-1-git-send-email-rth@twiddle.net> References: <1348785610-23418-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.210.45 Cc: Alexander Graf Subject: [Qemu-devel] [PATCH 079/147] target-s390: Convert FP MULTIPLY X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- target-s390x/fpu_helper.c | 87 +++++++++++++++++++++------------------------- target-s390x/helper.h | 10 +++--- target-s390x/insn-data.def | 9 +++++ target-s390x/translate.c | 56 +++++++++++++++++------------ 4 files changed, 86 insertions(+), 76 deletions(-) diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index 8aef76b..dd7e3a0 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -266,27 +266,50 @@ uint64_t HELPER(dxb)(CPUS390XState *env, uint64_t ah, uint64_t al, return RET128(ret); } -/* 64-bit FP multiplication RR */ -void HELPER(mdbr)(CPUS390XState *env, uint32_t f1, uint32_t f2) +/* 32-bit FP multiplication */ +uint64_t HELPER(meeb)(CPUS390XState *env, uint64_t f1, uint64_t f2) { - env->fregs[f1].d = float64_mul(env->fregs[f1].d, env->fregs[f2].d, - &env->fpu_status); + float32 ret = float32_mul(f1, f2, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; } -/* 128-bit FP multiplication RR */ -void HELPER(mxbr)(CPUS390XState *env, uint32_t f1, uint32_t f2) +/* 64-bit FP multiplication */ +uint64_t HELPER(mdb)(CPUS390XState *env, uint64_t f1, uint64_t f2) { - CPU_QuadU v1; - CPU_QuadU v2; - CPU_QuadU res; + float64 ret = float64_mul(f1, f2, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} - v1.ll.upper = env->fregs[f1].ll; - v1.ll.lower = env->fregs[f1 + 2].ll; - v2.ll.upper = env->fregs[f2].ll; - v2.ll.lower = env->fregs[f2 + 2].ll; - res.q = float128_mul(v1.q, v2.q, &env->fpu_status); - env->fregs[f1].ll = res.ll.upper; - env->fregs[f1 + 2].ll = res.ll.lower; +/* 64/32-bit FP multiplication */ +uint64_t HELPER(mdeb)(CPUS390XState *env, uint64_t f1, uint64_t f2) +{ + float64 ret = float32_to_float64(f2, &env->fpu_status); + ret = float64_mul(f1, ret, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* 128-bit FP multiplication */ +uint64_t HELPER(mxb)(CPUS390XState *env, uint64_t ah, uint64_t al, + uint64_t bh, uint64_t bl) +{ + float128 ret = float128_mul(make_float128(ah, al), + make_float128(bh, bl), + &env->fpu_status); + handle_exceptions(env, GETPC()); + return RET128(ret); +} + +/* 128/64-bit FP multiplication */ +uint64_t HELPER(mxdb)(CPUS390XState *env, uint64_t ah, uint64_t al, + uint64_t f2) +{ + float128 ret = float64_to_float128(f2, &env->fpu_status); + ret = float128_mul(make_float128(ah, al), ret, &env->fpu_status); + handle_exceptions(env, GETPC()); + return RET128(ret); } /* convert 32-bit float to 64-bit float */ @@ -402,18 +425,6 @@ uint32_t HELPER(lcxbr)(CPUS390XState *env, uint32_t f1, uint32_t f2) return set_cc_nz_f128(x1.q); } -/* 32-bit FP multiplication RM */ -void HELPER(meeb)(CPUS390XState *env, uint32_t f1, uint32_t val) -{ - float32 v1 = env->fregs[f1].l.upper; - CPU_FloatU v2; - - v2.l = val; - HELPER_LOG("%s: multiplying 0x%d from f%d and 0x%d\n", __func__, - v1, f1, v2.f); - env->fregs[f1].l.upper = float32_mul(v1, v2.f, &env->fpu_status); -} - /* 32-bit FP compare */ uint32_t HELPER(ceb)(CPUS390XState *env, uint64_t f1, uint64_t f2) { @@ -441,18 +452,6 @@ uint32_t HELPER(cxb)(CPUS390XState *env, uint64_t ah, uint64_t al, return float_comp_to_cc(env, cmp); } -/* 64-bit FP multiplication RM */ -void HELPER(mdb)(CPUS390XState *env, uint32_t f1, uint64_t a2) -{ - float64 v1 = env->fregs[f1].d; - CPU_DoubleU v2; - - v2.ll = cpu_ldq_data(env, a2); - HELPER_LOG("%s: multiplying 0x%lx from f%d and 0x%ld\n", __func__, - v1, f1, v2.d); - env->fregs[f1].d = float64_mul(v1, v2.d, &env->fpu_status); -} - static void set_round_mode(CPUS390XState *env, int m3) { switch (m3) { @@ -582,14 +581,6 @@ void HELPER(lzxr)(CPUS390XState *env, uint32_t f1) env->fregs[f1 + 1].ll = x.ll.lower; } -/* 32-bit FP multiplication RR */ -void HELPER(meebr)(CPUS390XState *env, uint32_t f1, uint32_t f2) -{ - env->fregs[f1].l.upper = float32_mul(env->fregs[f1].l.upper, - env->fregs[f2].l.upper, - &env->fpu_status); -} - /* 64-bit FP multiply and add RM */ void HELPER(madb)(CPUS390XState *env, uint32_t f1, uint64_t a2, uint32_t f3) { diff --git a/target-s390x/helper.h b/target-s390x/helper.h index c04b04c..8fe2031 100644 --- a/target-s390x/helper.h +++ b/target-s390x/helper.h @@ -45,8 +45,11 @@ DEF_HELPER_5(sxb, i64, env, i64, i64, i64, i64) DEF_HELPER_3(deb, i64, env, i64, i64) DEF_HELPER_3(ddb, i64, env, i64, i64) DEF_HELPER_5(dxb, i64, env, i64, i64, i64, i64) -DEF_HELPER_3(mdbr, void, env, i32, i32) -DEF_HELPER_3(mxbr, void, env, i32, i32) +DEF_HELPER_3(meeb, i64, env, i64, i64) +DEF_HELPER_3(mdeb, i64, env, i64, i64) +DEF_HELPER_3(mdb, i64, env, i64, i64) +DEF_HELPER_5(mxb, i64, env, i64, i64, i64, i64) +DEF_HELPER_4(mxdb, i64, env, i64, i64, i64) DEF_HELPER_2(ldeb, i64, env, i64) DEF_HELPER_3(ldxb, i64, env, i64, i64) DEF_HELPER_2(lxdb, i64, env, i64) @@ -59,8 +62,6 @@ DEF_HELPER_3(lpxbr, i32, env, i32, i32) DEF_HELPER_3(lcebr, i32, env, i32, i32) DEF_HELPER_3(lcdbr, i32, env, i32, i32) DEF_HELPER_3(lcxbr, i32, env, i32, i32) -DEF_HELPER_3(meeb, void, env, i32, i32) -DEF_HELPER_3(mdb, void, env, i32, i64) DEF_HELPER_FLAGS_3(ceb, TCG_CALL_PURE, i32, env, i64, i64) DEF_HELPER_FLAGS_3(cdb, TCG_CALL_PURE, i32, env, i64, i64) DEF_HELPER_FLAGS_5(cxb, TCG_CALL_PURE, i32, env, i64, i64, i64, i64) @@ -73,7 +74,6 @@ DEF_HELPER_2(lzxr, void, env, i32) DEF_HELPER_4(cfebr, i32, env, i32, i32, i32) DEF_HELPER_4(cfdbr, i32, env, i32, i32, i32) DEF_HELPER_4(cfxbr, i32, env, i32, i32, i32) -DEF_HELPER_3(meebr, void, env, i32, i32) DEF_HELPER_4(madb, void, env, i32, i64, i32) DEF_HELPER_4(maebr, void, env, i32, i32, i32) DEF_HELPER_4(madbr, void, env, i32, i32, i32) diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index 14dcd12..89f71ac 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -359,6 +359,15 @@ C(0x1c00, MR, RR_a, Z, r1p1_32s, r2_32s, new, r1_D32, mul, 0) C(0x5c00, M, RX_a, Z, r1p1_32s, m2_32s, new, r1_D32, mul, 0) C(0xe35c, MFY, RXY_a, GIE, r1p1_32s, m2_32s, new, r1_D32, mul, 0) + C(0xb317, MEEBR, RRE, Z, e1, e2, new, e1, meeb, 0) + C(0xb31c, MDBR, RRE, Z, f1_o, f2_o, f1, 0, mdb, 0) + C(0xb34c, MXBR, RRE, Z, 0, x2_o, x1, 0, mxb, 0) + C(0xb30c, MDEBR, RRE, Z, f1_o, e2, f1, 0, mdeb, 0) + C(0xb307, MXDBR, RRE, Z, 0, f2_o, x1, 0, mxdb, 0) + C(0xed17, MEEB, RXE, Z, e1, m2_32u, new, e1, meeb, 0) + C(0xed1c, MDB, RXE, Z, f1_o, m2_64, f1, 0, mdb, 0) + C(0xed0c, MDEB, RXE, Z, f1_o, m2_32u, f1, 0, mdeb, 0) + C(0xed07, MXDB, RXE, Z, 0, m2_64, x1, 0, mxdb, 0) /* MULTIPLY HALFWORD */ C(0x4c00, MH, RX_a, Z, r1_o, m2_16s, new, r1_32, mul, 0) C(0xe37c, MHY, RXY_a, GIE, r1_o, m2_16s, new, r1_32, mul, 0) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 6a30b82..4c7fee1 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -991,7 +991,7 @@ static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1, int x2, int b2, int d2, int r1b) { TCGv_i32 tmp_r1, tmp32; - TCGv_i64 addr, tmp; + TCGv_i64 addr; addr = get_address(s, x2, b2, d2); tmp_r1 = tcg_const_i32(r1); switch (op) { @@ -1010,19 +1010,6 @@ static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1, gen_helper_tcxb(cc_op, cpu_env, tmp_r1, addr); set_cc_static(s); break; - case 0x17: /* MEEB R1,D2(X2,B2) [RXE] */ - tmp = tcg_temp_new_i64(); - tmp32 = tcg_temp_new_i32(); - tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s)); - tcg_gen_trunc_i64_i32(tmp32, tmp); - gen_helper_meeb(cpu_env, tmp_r1, tmp32); - tcg_temp_free_i64(tmp); - tcg_temp_free_i32(tmp32); - break; - case 0x1c: /* MDB R1,D2(X2,B2) [RXE] */ - potential_page_fault(s); - gen_helper_mdb(cpu_env, tmp_r1, addr); - break; case 0x1e: /* MADB R1,R3,D2(X2,B2) [RXF] */ /* for RXF insns, r1 is R3 and r1b is R1 */ tmp32 = tcg_const_i32(r1b); @@ -1452,12 +1439,6 @@ static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3, case 0x15: /* SQBDR R1,R2 [RRE] */ FP_HELPER(sqdbr); break; - case 0x17: /* MEEBR R1,R2 [RRE] */ - FP_HELPER(meebr); - break; - case 0x1c: /* MDBR R1,R2 [RRE] */ - FP_HELPER(mdbr); - break; case 0xe: /* MAEBR R1,R3,R2 [RRF] */ case 0x1e: /* MADBR R1,R3,R2 [RRF] */ case 0x1f: /* MSDBR R1,R3,R2 [RRF] */ @@ -1488,9 +1469,6 @@ static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3, case 0x43: /* LCXBR R1,R2 [RRE] */ FP_HELPER_CC(lcxbr); break; - case 0x4c: /* MXBR R1,R2 [RRE] */ - FP_HELPER(mxbr); - break; case 0x65: /* LXR R1,R2 [RRE] */ tmp = load_freg(r2); store_freg(r1, tmp); @@ -2827,6 +2805,38 @@ static ExitStatus op_mul128(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_meeb(DisasContext *s, DisasOps *o) +{ + gen_helper_meeb(o->out, cpu_env, o->in1, o->in2); + return NO_EXIT; +} + +static ExitStatus op_mdeb(DisasContext *s, DisasOps *o) +{ + gen_helper_mdeb(o->out, cpu_env, o->in1, o->in2); + return NO_EXIT; +} + +static ExitStatus op_mdb(DisasContext *s, DisasOps *o) +{ + gen_helper_mdb(o->out, cpu_env, o->in1, o->in2); + return NO_EXIT; +} + +static ExitStatus op_mxb(DisasContext *s, DisasOps *o) +{ + gen_helper_mxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2); + return_low128(o->out2); + return NO_EXIT; +} + +static ExitStatus op_mxdb(DisasContext *s, DisasOps *o) +{ + gen_helper_mxdb(o->out, cpu_env, o->out, o->out2, o->in2); + return_low128(o->out2); + return NO_EXIT; +} + static ExitStatus op_nabs(DisasContext *s, DisasOps *o) { gen_helper_nabs_i64(o->out, o->in2);