From patchwork Tue Feb 8 20:31:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 1590091 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JtZfq62Nyz9s5B for ; Wed, 9 Feb 2022 07:41:23 +1100 (AEDT) Received: from localhost ([::1]:39632 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHXIf-0006Kl-Hc for incoming@patchwork.ozlabs.org; Tue, 08 Feb 2022 15:41:21 -0500 Received: from eggs.gnu.org ([209.51.188.92]:44686) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHX9p-0006xN-1a; Tue, 08 Feb 2022 15:32:13 -0500 Received: from [187.72.171.209] (port=13564 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHX9j-0001fq-MT; Tue, 08 Feb 2022 15:32:12 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 8 Feb 2022 17:31:57 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 3E6A8801D1B; Tue, 8 Feb 2022 17:31:57 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [RFC PATCH 1/3] tests/tcg/ppc64le: use inline asm instead of __builtin_mtfsf Date: Tue, 8 Feb 2022 17:31:43 -0300 Message-Id: <20220208203145.3844662-2-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208203145.3844662-1-matheus.ferst@eldorado.org.br> References: <20220208203145.3844662-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 08 Feb 2022 20:31:57.0618 (UTC) FILETIME=[EB042920:01D81D2A] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_TEMPERROR=0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, danielhb413@gmail.com, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Matheus Ferst LLVM/Clang does not support __builtin_mtfsf. Signed-off-by: Matheus Ferst Acked-by: Alex Bennée --- tests/tcg/ppc64le/mtfsf.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/tests/tcg/ppc64le/mtfsf.c b/tests/tcg/ppc64le/mtfsf.c index b3d31f3637..bed5b1afa4 100644 --- a/tests/tcg/ppc64le/mtfsf.c +++ b/tests/tcg/ppc64le/mtfsf.c @@ -1,8 +1,12 @@ #include +#include #include #include #include +#define MTFSF(FLM, FRB) asm volatile ("mtfsf %0, %1" :: "i" (FLM), "f" (FRB)) +#define MFFS(FRT) asm("mffs %0" : "=f" (FRT)) + #define FPSCR_VE 7 /* Floating-point invalid operation exception enable */ #define FPSCR_VXSOFT 10 /* Floating-point invalid operation exception (soft) */ #define FPSCR_FI 17 /* Floating-point fraction inexact */ @@ -21,10 +25,7 @@ void sigfpe_handler(int sig, siginfo_t *si, void *ucontext) int main(void) { - union { - double d; - long long ll; - } fpscr; + uint64_t fpscr; struct sigaction sa = { .sa_sigaction = sigfpe_handler, @@ -40,10 +41,9 @@ int main(void) prctl(PR_SET_FPEXC, PR_FP_EXC_PRECISE); /* First test if the FI bit is being set correctly */ - fpscr.ll = FP_FI; - __builtin_mtfsf(0b11111111, fpscr.d); - fpscr.d = __builtin_mffs(); - assert((fpscr.ll & FP_FI) != 0); + MTFSF(0b11111111, FP_FI); + MFFS(fpscr); + assert((fpscr & FP_FI) != 0); /* Then test if the deferred exception is being called correctly */ sigaction(SIGFPE, &sa, NULL); @@ -54,8 +54,7 @@ int main(void) * But if a different exception is chosen si_code check should * change accordingly. */ - fpscr.ll = FP_VE | FP_VXSOFT; - __builtin_mtfsf(0b11111111, fpscr.d); + MTFSF(0b11111111, FP_VE | FP_VXSOFT); return 1; } From patchwork Tue Feb 8 20:31:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 1590092 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JtZhw6XJnz9s5B for ; Wed, 9 Feb 2022 07:43:12 +1100 (AEDT) Received: from localhost ([::1]:41258 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHXKP-0007WW-Sw for incoming@patchwork.ozlabs.org; Tue, 08 Feb 2022 15:43:10 -0500 Received: from eggs.gnu.org ([209.51.188.92]:44844) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHXAs-0008IF-PW; Tue, 08 Feb 2022 15:33:18 -0500 Received: from [187.72.171.209] (port=64195 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHXAq-0001mu-Ef; Tue, 08 Feb 2022 15:33:18 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 8 Feb 2022 17:31:57 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 81122801D19; Tue, 8 Feb 2022 17:31:57 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [RFC PATCH 2/3] target/ppc: change xs[n]madd[am]sp to use float64r32_muladd Date: Tue, 8 Feb 2022 17:31:44 -0300 Message-Id: <20220208203145.3844662-3-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208203145.3844662-1-matheus.ferst@eldorado.org.br> References: <20220208203145.3844662-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 08 Feb 2022 20:31:57.0883 (UTC) FILETIME=[EB2C98B0:01D81D2A] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, danielhb413@gmail.com, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Matheus Ferst Change VSX Scalar Multiply-Add/Subtract Type-A/M Single Precision helpers to use float64r32_muladd. This method should correctly handle all rounding modes, so the workaround for float_round_nearest_even can be dropped. Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- target/ppc/fpu_helper.c | 54 +++++++++++++++-------------------------- 1 file changed, 19 insertions(+), 35 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index e5c29b53b8..bb2a71d195 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2157,7 +2157,7 @@ VSX_TSQRT(xvtsqrtsp, 4, float32, VsrW(i), -126, 23) * various forms (madd, msub, nmadd, nmsub) * sfprf - set FPRF */ -#define VSX_MADD(op, nels, tp, fld, maddflgs, sfprf, r2sp) \ +#define VSX_MADD(op, nels, tp, fld, maddflgs, sfprf) \ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ ppc_vsr_t *xa, ppc_vsr_t *b, ppc_vsr_t *c) \ { \ @@ -2169,20 +2169,8 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ for (i = 0; i < nels; i++) { \ float_status tstat = env->fp_status; \ set_float_exception_flags(0, &tstat); \ - if (r2sp && (tstat.float_rounding_mode == float_round_nearest_even)) {\ - /* \ - * Avoid double rounding errors by rounding the intermediate \ - * result to odd. \ - */ \ - set_float_rounding_mode(float_round_to_zero, &tstat); \ - t.fld = tp##_muladd(xa->fld, b->fld, c->fld, \ - maddflgs, &tstat); \ - t.fld |= (get_float_exception_flags(&tstat) & \ - float_flag_inexact) != 0; \ - } else { \ - t.fld = tp##_muladd(xa->fld, b->fld, c->fld, \ - maddflgs, &tstat); \ - } \ + t.fld = tp##_muladd(xa->fld, b->fld, c->fld, \ + maddflgs, &tstat); \ env->fp_status.float_exception_flags |= tstat.float_exception_flags; \ \ if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \ @@ -2190,10 +2178,6 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ sfprf, GETPC()); \ } \ \ - if (r2sp) { \ - t.fld = do_frsp(env, t.fld, GETPC()); \ - } \ - \ if (sfprf) { \ helper_compute_fprf_float64(env, t.fld); \ } \ @@ -2202,24 +2186,24 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ do_float_check_status(env, GETPC()); \ } -VSX_MADD(xsmadddp, 1, float64, VsrD(0), MADD_FLGS, 1, 0) -VSX_MADD(xsmsubdp, 1, float64, VsrD(0), MSUB_FLGS, 1, 0) -VSX_MADD(xsnmadddp, 1, float64, VsrD(0), NMADD_FLGS, 1, 0) -VSX_MADD(xsnmsubdp, 1, float64, VsrD(0), NMSUB_FLGS, 1, 0) -VSX_MADD(xsmaddsp, 1, float64, VsrD(0), MADD_FLGS, 1, 1) -VSX_MADD(xsmsubsp, 1, float64, VsrD(0), MSUB_FLGS, 1, 1) -VSX_MADD(xsnmaddsp, 1, float64, VsrD(0), NMADD_FLGS, 1, 1) -VSX_MADD(xsnmsubsp, 1, float64, VsrD(0), NMSUB_FLGS, 1, 1) +VSX_MADD(xsmadddp, 1, float64, VsrD(0), MADD_FLGS, 1) +VSX_MADD(xsmsubdp, 1, float64, VsrD(0), MSUB_FLGS, 1) +VSX_MADD(xsnmadddp, 1, float64, VsrD(0), NMADD_FLGS, 1) +VSX_MADD(xsnmsubdp, 1, float64, VsrD(0), NMSUB_FLGS, 1) +VSX_MADD(xsmaddsp, 1, float64r32, VsrD(0), MADD_FLGS, 1) +VSX_MADD(xsmsubsp, 1, float64r32, VsrD(0), MSUB_FLGS, 1) +VSX_MADD(xsnmaddsp, 1, float64r32, VsrD(0), NMADD_FLGS, 1) +VSX_MADD(xsnmsubsp, 1, float64r32, VsrD(0), NMSUB_FLGS, 1) -VSX_MADD(xvmadddp, 2, float64, VsrD(i), MADD_FLGS, 0, 0) -VSX_MADD(xvmsubdp, 2, float64, VsrD(i), MSUB_FLGS, 0, 0) -VSX_MADD(xvnmadddp, 2, float64, VsrD(i), NMADD_FLGS, 0, 0) -VSX_MADD(xvnmsubdp, 2, float64, VsrD(i), NMSUB_FLGS, 0, 0) +VSX_MADD(xvmadddp, 2, float64, VsrD(i), MADD_FLGS, 0) +VSX_MADD(xvmsubdp, 2, float64, VsrD(i), MSUB_FLGS, 0) +VSX_MADD(xvnmadddp, 2, float64, VsrD(i), NMADD_FLGS, 0) +VSX_MADD(xvnmsubdp, 2, float64, VsrD(i), NMSUB_FLGS, 0) -VSX_MADD(xvmaddsp, 4, float32, VsrW(i), MADD_FLGS, 0, 0) -VSX_MADD(xvmsubsp, 4, float32, VsrW(i), MSUB_FLGS, 0, 0) -VSX_MADD(xvnmaddsp, 4, float32, VsrW(i), NMADD_FLGS, 0, 0) -VSX_MADD(xvnmsubsp, 4, float32, VsrW(i), NMSUB_FLGS, 0, 0) +VSX_MADD(xvmaddsp, 4, float32, VsrW(i), MADD_FLGS, 0) +VSX_MADD(xvmsubsp, 4, float32, VsrW(i), MSUB_FLGS, 0) +VSX_MADD(xvnmaddsp, 4, float32, VsrW(i), NMADD_FLGS, 0) +VSX_MADD(xvnmsubsp, 4, float32, VsrW(i), NMSUB_FLGS, 0) /* * VSX_SCALAR_CMP_DP - VSX scalar floating point compare double precision From patchwork Tue Feb 8 20:31:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 1590113 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JtbTV6kKLz9s0B for ; Wed, 9 Feb 2022 08:18:21 +1100 (AEDT) Received: from localhost ([::1]:59038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHXsO-0000QX-VF for incoming@patchwork.ozlabs.org; Tue, 08 Feb 2022 16:18:17 -0500 Received: from eggs.gnu.org ([209.51.188.92]:44878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHXB6-0008VA-9e; Tue, 08 Feb 2022 15:33:32 -0500 Received: from [187.72.171.209] (port=64195 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHXB4-0001mu-2u; Tue, 08 Feb 2022 15:33:31 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 8 Feb 2022 17:31:58 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id C71AC801D1B; Tue, 8 Feb 2022 17:31:57 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [RFC PATCH 3/3] tests/tcg/ppc64le: Use vector types instead of __int128 Date: Tue, 8 Feb 2022 17:31:45 -0300 Message-Id: <20220208203145.3844662-4-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208203145.3844662-1-matheus.ferst@eldorado.org.br> References: <20220208203145.3844662-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 08 Feb 2022 20:31:58.0180 (UTC) FILETIME=[EB59EA40:01D81D2A] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, danielhb413@gmail.com, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Matheus Ferst LLVM/Clang doesn't like inline asm with __int128, use a vector type instead. Signed-off-by: Matheus Ferst --- Alternatively, we could pass VSR values in GPR pairs, as we did in tests/tcg/ppc64le/non_signalling_xscv.c --- tests/tcg/ppc64le/bcdsub.c | 92 +++++++++++++++++++++----------------- 1 file changed, 52 insertions(+), 40 deletions(-) diff --git a/tests/tcg/ppc64le/bcdsub.c b/tests/tcg/ppc64le/bcdsub.c index 8c188cae6d..17403daf22 100644 --- a/tests/tcg/ppc64le/bcdsub.c +++ b/tests/tcg/ppc64le/bcdsub.c @@ -1,6 +1,7 @@ #include #include #include +#include #define CRF_LT (1 << 3) #define CRF_GT (1 << 2) @@ -8,6 +9,16 @@ #define CRF_SO (1 << 0) #define UNDEF 0 +#ifdef __LITTLE_ENDIAN__ +#define HIGH(T) (T)[1] +#define LOW(T) (T)[0] +#define U128(H, L) (vector unsigned long long) {L, H} +#else +#define HIGH(T) (T)[0] +#define LOW(T) (T)[1] +#define U128(H, L) (vector unsigned long long) {H, L} +#endif + #define BCDSUB(vra, vrb, ps) \ asm ("bcdsub. %1,%2,%3,%4;" \ "mfocrf %0,0b10;" \ @@ -15,17 +26,18 @@ : "v" (vra), "v" (vrb), "i" (ps) \ : ); -#define TEST(vra, vrb, ps, exp_res, exp_cr6) \ - do { \ - __int128 vrt = 0; \ - int cr = 0; \ - BCDSUB(vra, vrb, ps); \ - if (exp_res) \ - assert(vrt == exp_res); \ - assert((cr >> 4) == exp_cr6); \ +#define TEST(vra, vrb, ps, exp_res_h, exp_res_l, exp_cr6) \ + do { \ + vector unsigned long long vrt = U128(0, 0); \ + int cr = 0; \ + BCDSUB(vra, vrb, ps); \ + if (exp_res_h || exp_res_l) { \ + assert(HIGH(vrt) == exp_res_h); \ + assert(LOW(vrt) == exp_res_l); \ + } \ + assert((cr >> 4) == exp_cr6); \ } while (0) - /* * Unbounded result is equal to zero: * sign = (PS) ? 0b1111 : 0b1100 @@ -33,13 +45,13 @@ */ void test_bcdsub_eq(void) { - __int128 a, b; + vector unsigned long long a, b; /* maximum positive BCD value */ - a = b = (((__int128) 0x9999999999999999) << 64 | 0x999999999999999c); + a = b = U128(0x9999999999999999, 0x999999999999999c); - TEST(a, b, 0, 0xc, CRF_EQ); - TEST(a, b, 1, 0xf, CRF_EQ); + TEST(a, b, 0, 0x0, 0xc, CRF_EQ); + TEST(a, b, 1, 0x0, 0xf, CRF_EQ); } /* @@ -49,21 +61,21 @@ void test_bcdsub_eq(void) */ void test_bcdsub_gt(void) { - __int128 a, b, c; + vector unsigned long long a, b, c; /* maximum positive BCD value */ - a = (((__int128) 0x9999999999999999) << 64 | 0x999999999999999c); + a = U128(0x9999999999999999, 0x999999999999999c); /* negative one BCD value */ - b = (__int128) 0x1d; + b = U128(0x0, 0x1d); - TEST(a, b, 0, 0xc, (CRF_GT | CRF_SO)); - TEST(a, b, 1, 0xf, (CRF_GT | CRF_SO)); + TEST(a, b, 0, 0x0, 0xc, (CRF_GT | CRF_SO)); + TEST(a, b, 1, 0x0, 0xf, (CRF_GT | CRF_SO)); - c = (((__int128) 0x9999999999999999) << 64 | 0x999999999999998c); + c = U128(0x9999999999999999, 0x999999999999998c); - TEST(c, b, 0, a, CRF_GT); - TEST(c, b, 1, (a | 0x3), CRF_GT); + TEST(c, b, 0, HIGH(a), LOW(a), CRF_GT); + TEST(c, b, 1, HIGH(a), (LOW(a) | 0x3), CRF_GT); } /* @@ -73,45 +85,45 @@ void test_bcdsub_gt(void) */ void test_bcdsub_lt(void) { - __int128 a, b; + vector unsigned long long a, b; /* positive zero BCD value */ - a = (__int128) 0xc; + a = U128(0x0, 0xc); /* positive one BCD value */ - b = (__int128) 0x1c; + b = U128(0x0, 0x1c); - TEST(a, b, 0, 0x1d, CRF_LT); - TEST(a, b, 1, 0x1d, CRF_LT); + TEST(a, b, 0, 0x0, 0x1d, CRF_LT); + TEST(a, b, 1, 0x0, 0x1d, CRF_LT); /* maximum negative BCD value */ - a = (((__int128) 0x9999999999999999) << 64 | 0x999999999999999d); + a = U128(0x9999999999999999, 0x999999999999999d); /* positive one BCD value */ - b = (__int128) 0x1c; + b = U128(0x0, 0x1c); - TEST(a, b, 0, 0xd, (CRF_LT | CRF_SO)); - TEST(a, b, 1, 0xd, (CRF_LT | CRF_SO)); + TEST(a, b, 0, 0x0, 0xd, (CRF_LT | CRF_SO)); + TEST(a, b, 1, 0x0, 0xd, (CRF_LT | CRF_SO)); } void test_bcdsub_invalid(void) { - __int128 a, b; + vector unsigned long long a, b; /* positive one BCD value */ - a = (__int128) 0x1c; - b = 0xf00; + a = U128(0x0, 0x1c); + b = U128(0x0, 0xf00); - TEST(a, b, 0, UNDEF, CRF_SO); - TEST(a, b, 1, UNDEF, CRF_SO); + TEST(a, b, 0, UNDEF, UNDEF, CRF_SO); + TEST(a, b, 1, UNDEF, UNDEF, CRF_SO); - TEST(b, a, 0, UNDEF, CRF_SO); - TEST(b, a, 1, UNDEF, CRF_SO); + TEST(b, a, 0, UNDEF, UNDEF, CRF_SO); + TEST(b, a, 1, UNDEF, UNDEF, CRF_SO); - a = 0xbad; + a = U128(0x0, 0xbad); - TEST(a, b, 0, UNDEF, CRF_SO); - TEST(a, b, 1, UNDEF, CRF_SO); + TEST(a, b, 0, UNDEF, UNDEF, CRF_SO); + TEST(a, b, 1, UNDEF, UNDEF, CRF_SO); } int main(void)