From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LHrTb-00015q-OS for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:31 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LHrTa-00014j-IC for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:30 -0500 Received: from [199.232.76.173] (port=46190 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LHrTZ-00014S-DS for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:29 -0500 Received: from mx20.gnu.org ([199.232.41.8]:31184) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LHrTZ-0004bx-4f for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:29 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LHrTY-0006U6-2H for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:10:28 -0500 From: Nathan Froyd Date: Tue, 30 Dec 2008 19:10:07 -0800 Message-Id: <1230693022-18380-26-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 25/40] Add vsplt{b,h,w} 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 | 3 +++ target-ppc/op_helper.c | 23 +++++++++++++++++++++++ target-ppc/translate.c | 4 ++++ 3 files changed, 30 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 9fbcc4a..2ca4e26 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -182,6 +182,9 @@ DEF_HELPER_4(vsldoi, void, avr, avr, avr, i32) DEF_HELPER_2(vspltisb, void, avr, i32) DEF_HELPER_2(vspltish, void, avr, i32) DEF_HELPER_2(vspltisw, void, avr, i32) +DEF_HELPER_3(vspltb, void, avr, avr, i32) +DEF_HELPER_3(vsplth, void, avr, avr, i32) +DEF_HELPER_3(vspltw, void, 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 55f341f..28b1fb6 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2302,6 +2302,29 @@ void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) #endif } +/* Experimental testing shows that hardware masks the immediate. */ +#define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1)) +#if defined(WORDS_BIGENDIAN) +#define SPLAT_ELEMENT(element) _SPLAT_MASKED(element) +#else +#define SPLAT_ELEMENT(element) (ARRAY_SIZE(r->element)-1 - _SPLAT_MASKED(element)) +#endif +#define VSPLT(suffix, element) \ + void helper_vsplt##suffix (ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \ + { \ + uint32_t s = b->element[SPLAT_ELEMENT(element)]; \ + int i; \ + for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ + r->element[i] = s; \ + } \ + } +VSPLT(b, u8) +VSPLT(h, u16) +VSPLT(w, u32) +#undef VSPLT +#undef SPLAT_ELEMENT +#undef _SPLAT_MASKED + #define VSPLTI(suffix, element, splat_type) \ void helper_vspltis##suffix (ppc_avr_t *r, uint32_t splat) \ { \ diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 77e93cb..bade2c8 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6363,6 +6363,10 @@ GEN_VXFORM_SIMM(vspltisw, 6, 14); tcg_temp_free_ptr(rd); \ } +GEN_VXFORM_UIMM(vspltb, 6, 8); +GEN_VXFORM_UIMM(vsplth, 6, 9); +GEN_VXFORM_UIMM(vspltw, 6, 10); + #define GEN_VXRFORM1(opname, name, str, opc2, opc3) \ GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC) \ { \ -- 1.6.0.5