From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LWIIu-0000Xo-3I for qemu-devel@nongnu.org; Sun, 08 Feb 2009 17:39:08 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LWIIt-0000Wk-2d for qemu-devel@nongnu.org; Sun, 08 Feb 2009 17:39:07 -0500 Received: from [199.232.76.173] (port=50685 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LWIIs-0000WR-PF for qemu-devel@nongnu.org; Sun, 08 Feb 2009 17:39:06 -0500 Received: from mx20.gnu.org ([199.232.41.8]:62945) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LWIIs-0006dp-Ff for qemu-devel@nongnu.org; Sun, 08 Feb 2009 17:39:06 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LWIIr-0005cj-GS for qemu-devel@nongnu.org; Sun, 08 Feb 2009 17:39:05 -0500 Date: Sun, 8 Feb 2009 14:39:04 -0800 From: Nathan Froyd Subject: Re: [Qemu-devel] [PATCH 07/14] Add v{add,sub}fp instructions Message-ID: <20090208223904.GO15286@codesourcery.com> References: <1232657054-30100-1-git-send-email-froydnj@codesourcery.com> <1232657054-30100-8-git-send-email-froydnj@codesourcery.com> <20090203195248.GC18984@volta.aurel32.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090203195248.GC18984@volta.aurel32.net> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org We don't need to split up vaddfp and vsubfp because the softfloat code already properly handles magnitude subtraction of infinities. Signed-off-by: Nathan Froyd --- target-ppc/helper.h | 2 ++ target-ppc/op_helper.c | 14 ++++++++++++++ target-ppc/translate.c | 2 ++ 3 files changed, 18 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1c76586..43d1867 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -232,6 +232,8 @@ DEF_HELPER_3(vsum2sws, void, avr, avr, avr) DEF_HELPER_3(vsum4sbs, void, avr, avr, avr) DEF_HELPER_3(vsum4shs, void, avr, avr, avr) DEF_HELPER_3(vsum4ubs, void, avr, avr, avr) +DEF_HELPER_3(vaddfp, void, avr, avr, avr) +DEF_HELPER_3(vsubfp, void, avr, avr, avr) DEF_HELPER_3(vmaxfp, void, avr, avr, avr) DEF_HELPER_3(vminfp, void, avr, avr, avr) DEF_HELPER_2(vlogefp, void, avr, avr) diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 674a21d..6cf47a3 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2099,6 +2099,20 @@ VARITH(uwm, u32) #undef VARITH_DO #undef VARITH +#define VARITHFP(suffix, func) \ + void helper_v##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ + { \ + int i; \ + for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ + HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \ + r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ + } \ + } \ + } +VARITHFP(addfp, float32_add) +VARITHFP(subfp, float32_sub) +#undef VARITHFP + #define VARITHSAT_CASE(type, op, cvt, element) \ { \ type result = (type)a->element[i] op (type)b->element[i]; \ diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 1f6386b..af83b19 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6395,6 +6395,8 @@ GEN_VXFORM(vsum4sbs, 4, 28); GEN_VXFORM(vsum4shs, 4, 25); GEN_VXFORM(vsum2sws, 4, 26); GEN_VXFORM(vsumsws, 4, 30); +GEN_VXFORM(vaddfp, 5, 0); +GEN_VXFORM(vsubfp, 5, 1); GEN_VXFORM(vmaxfp, 5, 16); GEN_VXFORM(vminfp, 5, 17); -- 1.6.0.5