From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LC3Pv-0008Uk-Dv for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:42:43 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LC3Pt-0008Tc-Eq for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:42:42 -0500 Received: from [199.232.76.173] (port=48448 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LC3Pt-0008TT-6N for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:42:41 -0500 Received: from mx20.gnu.org ([199.232.41.8]:31640) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LC3Ps-0002kH-CJ for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:42:40 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LC3Pq-0002u8-7B for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:42:38 -0500 From: Nathan Froyd Date: Sun, 14 Dec 2008 18:15:10 -0800 Message-Id: <1229307315-16807-38-git-send-email-froydnj@codesourcery.com> In-Reply-To: <1229307315-16807-1-git-send-email-froydnj@codesourcery.com> References: <1229307315-16807-1-git-send-email-froydnj@codesourcery.com> Subject: [Qemu-devel] [PATCH 37/42] target-ppc: add vmh{, r}addshs instructions. 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 Signed-off-by: Nathan Froyd --- target-ppc/helper.h | 2 ++ target-ppc/op_helper.c | 30 ++++++++++++++++++++++++++++++ target-ppc/translate.c | 1 + 3 files changed, 33 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index e2ad294..8ea8ddd 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -204,6 +204,8 @@ DEF_HELPER_3(vpkuwus, void, avr, avr, avr) DEF_HELPER_3(vpkuhum, void, avr, avr, avr) DEF_HELPER_3(vpkuwum, void, avr, avr, avr) DEF_HELPER_3(vpkpx, void, avr, avr, avr) +DEF_HELPER_4(vmhaddshs, void, avr, avr, avr, avr) +DEF_HELPER_4(vmhraddshs, void, avr, avr, avr, avr) DEF_HELPER_1(efscfsi, i32, i32) DEF_HELPER_1(efscfui, i32, i32) diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 422600a..994c1af 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2197,6 +2197,36 @@ VCMP(gtsh, >, s16) VCMP(gtsw, >, s32) #undef VCMP +void helper_vmhaddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + int sat = 0; + + VECTOR_FOR (s16) { + int32_t prod = a->s16[i] * b->s16[i]; + int32_t t = (int32_t)c->s16[i] + (prod >> 15); + r->s16[i] = cvtswsh (t, &sat); + } + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + +void helper_vmhraddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + int sat = 0; + + VECTOR_FOR (s16) { + int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; + int32_t t = (int32_t)c->s16[i] + (prod >> 15); + r->s16[i] = cvtswsh (t, &sat); + } + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + #define VMINMAX_DO(name, compare, element) \ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 4294148..3a4a3cb 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6451,6 +6451,7 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC) tcg_temp_free (rd); \ } +GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 32) GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 36) GEN_VAFORM_PAIRED(vsel, vperm, 42) -- 1.6.0.5