From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LC3RB-00015P-4w for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:44:01 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LC3R8-00013Y-OU for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:44:00 -0500 Received: from [199.232.76.173] (port=48476 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LC3R8-00013N-Iz for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:43:58 -0500 Received: from mx20.gnu.org ([199.232.41.8]:31669) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LC3R7-0002re-Rf for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:43:58 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LC3R5-0002wi-Bs for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:43:55 -0500 From: Nathan Froyd Date: Sun, 14 Dec 2008 18:15:06 -0800 Message-Id: <1229307315-16807-34-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 33/42] target-ppc: add vsel and vperm 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 | 26 ++++++++++++++++++++++++++ target-ppc/translate.c | 1 + 3 files changed, 29 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index dbd00f5..8bd8cf3 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -193,6 +193,8 @@ DEF_HELPER_2(vupklsb, void, avr, avr) DEF_HELPER_2(vupklsh, void, avr, avr) DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr) DEF_HELPER_4(vmsummbm, void, avr, avr, avr, avr) +DEF_HELPER_4(vsel, void, avr, avr, avr, avr) +DEF_HELPER_4(vperm, 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 aa8a563..57182c6 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2278,6 +2278,26 @@ VMUL(uh, u16, u32) #undef VMUL_DO #undef VMUL +void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + ppc_avr_t result; + int i; + VECTOR_FOR_INORDER_I (i, u8) { + int s = c->u8[i] & 0x1f; +#if defined(WORDS_BIGENDIAN) + int index = s & 0xf; +#else + int index = 15 - (s & 0xf); +#endif + if (s & 0x10) { + result.u8[i] = b->u8[index]; + } else { + result.u8[i] = a->u8[index]; + } + } + *r = result; +} + #define VROTATE(suffix, element) \ void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ @@ -2292,6 +2312,12 @@ VROTATE(h, u16) VROTATE(w, u32) #undef VROTATE +void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); + r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); +} + #if defined(WORDS_BIGENDIAN) #define LEFT 0 #define RIGHT 1 diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 34b1d9e..b53edd9 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6443,6 +6443,7 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC) } GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 36) +GEN_VAFORM_PAIRED(vsel, vperm, 42) /*** SPE extension ***/ /* Register moves */ -- 1.6.0.5