From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LC2zr-0002f4-Nh for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:15:47 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LC2zq-0002eT-M1 for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:15:46 -0500 Received: from [199.232.76.173] (port=40902 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LC2zq-0002eF-Cn for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:15:46 -0500 Received: from mx20.gnu.org ([199.232.41.8]:31136) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LC2zq-0000eG-55 for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:15:46 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LC2zp-0002Ek-BS for qemu-devel@nongnu.org; Sun, 14 Dec 2008 21:15:45 -0500 From: Nathan Froyd Date: Sun, 14 Dec 2008 18:14:56 -0800 Message-Id: <1229307315-16807-24-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 23/42] target-ppc: add vsldoi instruction. 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 | 1 + target-ppc/op_helper.c | 28 ++++++++++++++++++++++++++++ target-ppc/translate.c | 21 +++++++++++++++++++++ 3 files changed, 50 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 5f94e9f..02e3c10 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -178,6 +178,7 @@ 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_4(vsldoi, void, avr, avr, avr, i32) 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 7d72767..310a46c 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2313,6 +2313,34 @@ VSL(h, u16) VSL(w, u32) #undef VSL +void helper_vsldoi (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) +{ + int sh = shift & 0xf; + int i; + ppc_avr_t result; + +#if defined(WORDS_BIGENDIAN) + VECTOR_FOR_I (i, u8) { + int index = sh + i; + if (index > 0xf) { + result.u8[i] = b->u8[index-0x10]; + } else { + result.u8[i] = a->u8[index]; + } + } +#else + VECTOR_FOR_I (i, u8) { + int index = (16 - sh) + i; + if (index > 0xf) { + result.u8[i] = a->u8[index-0x10]; + } else { + result.u8[i] = b->u8[index]; + } + } +#endif + *r = result; +} + void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf; diff --git a/target-ppc/translate.c b/target-ppc/translate.c index c072d54..33c9c40 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -378,6 +378,8 @@ EXTRACT_HELPER(UIMM, 0, 16); EXTRACT_HELPER(NB, 11, 5); /* Shift count */ EXTRACT_HELPER(SH, 11, 5); +/* Vector shift count */ +EXTRACT_HELPER(VSH, 6, 4); /* Mask start */ EXTRACT_HELPER(MB, 6, 5); /* Mask end */ @@ -6330,6 +6332,25 @@ GEN_VXRFORM(vcmpgtub, 518) GEN_VXRFORM(vcmpgtuh, 582) GEN_VXRFORM(vcmpgtuw, 646) +GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC) +{ + TCGv_ptr ra, rb, rd; + TCGv sh; + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return; + } + ra = gen_avr_ptr(rA(ctx->opcode)); + rb = gen_avr_ptr(rB(ctx->opcode)); + rd = gen_avr_ptr(rD(ctx->opcode)); + sh = tcg_const_i32(VSH(ctx->opcode)); + gen_helper_vsldoi (rd, ra, rb, sh); + tcg_temp_free(ra); + tcg_temp_free(rb); + tcg_temp_free(rd); + tcg_temp_free(sh); +} + /*** SPE extension ***/ /* Register moves */ -- 1.6.0.5