From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LHrTZ-00014R-Ch for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:29 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LHrTY-00013f-Cw for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:28 -0500 Received: from [199.232.76.173] (port=46189 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LHrTY-00013c-26 for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:28 -0500 Received: from mx20.gnu.org ([199.232.41.8]:31183) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LHrTX-0004br-RA for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:27 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LHrTX-0006Tw-6P for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:27 -0500 From: Nathan Froyd Date: Tue, 30 Dec 2008 19:10:02 -0800 Message-Id: <1230693022-18380-21-git-send-email-froydnj@codesourcery.com> In-Reply-To: <1230693022-18380-1-git-send-email-froydnj@codesourcery.com> References: <1230693022-18380-1-git-send-email-froydnj@codesourcery.com> Subject: [Qemu-devel] [PATCH 20/40] Add vs{l,r} 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 | 36 ++++++++++++++++++++++++++++++++++++ target-ppc/translate.c | 2 ++ 3 files changed, 40 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index cf2a655..5f94e9f 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -176,6 +176,8 @@ DEF_HELPER_3(vsubuws, void, avr, avr, avr) DEF_HELPER_3(vrlb, void, avr, avr, avr) DEF_HELPER_3(vrlh, void, avr, avr, avr) DEF_HELPER_3(vrlw, void, avr, avr, avr) +DEF_HELPER_3(vsl, void, avr, avr, avr) +DEF_HELPER_3(vsr, void, 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 15eee72..ce47ef1 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2210,6 +2210,42 @@ VROTATE(h, u16) VROTATE(w, u32) #undef VROTATE +#if defined(WORDS_BIGENDIAN) +#define LEFT 0 +#define RIGHT 1 +#else +#define LEFT 1 +#define RIGHT 0 +#endif +#define VSHIFT(suffix, leftp) \ + void helper_vs##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ + { \ + int shift = b->u8[LO_IDX*0x15] & 0x7; \ + int doit = 1; \ + int i; \ + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ + doit = doit && ((b->u8[i] & 0x7) == shift); \ + } \ + if (doit) { \ + if (shift == 0) { \ + *r = *a; \ + } else if (leftp) { \ + uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \ + r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \ + r->u64[LO_IDX] = a->u64[LO_IDX] << shift; \ + } else { \ + uint64_t carry = a->u64[HI_IDX] << (64 - shift); \ + r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \ + r->u64[HI_IDX] = a->u64[HI_IDX] >> shift; \ + } \ + } \ + } +VSHIFT(l, LEFT) +VSHIFT(r, RIGHT) +#undef VSHIFT +#undef LEFT +#undef RIGHT + #define VSL(suffix, element) \ void helper_vsl##suffix (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 a853683..b50aba3 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6316,6 +6316,8 @@ GEN_VXFORM(vsubsws, 0, 30); GEN_VXFORM(vrlb, 2, 0); GEN_VXFORM(vrlh, 2, 1); GEN_VXFORM(vrlw, 2, 2); +GEN_VXFORM(vsl, 2, 7); +GEN_VXFORM(vsr, 2, 11); #define GEN_VXRFORM1(opname, name, str, opc2, opc3) \ GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC) \ -- 1.6.0.5