From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LHrtN-0002jj-WD for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:37:10 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LHrtM-0002in-Sf for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:37:09 -0500 Received: from [199.232.76.173] (port=57119 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LHrtM-0002ic-E3 for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:37:08 -0500 Received: from mx20.gnu.org ([199.232.41.8]:32157) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LHrtM-0006o3-1U for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:37:08 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LHrtL-0007Pa-8G for qemu-devel@nongnu.org; Tue, 30 Dec 2008 22:37:07 -0500 From: Nathan Froyd Date: Tue, 30 Dec 2008 19:10:00 -0800 Message-Id: <1230693022-18380-19-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 18/40] Add v{add, sub}{s, u}{b, h, w}s 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 | 12 ++++++++++++ target-ppc/op_helper.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ target-ppc/translate.c | 12 ++++++++++++ 3 files changed, 70 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1d05cb2..4e1c307 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -161,6 +161,18 @@ DEF_HELPER_3(vaddcuw, void, avr, avr, avr) DEF_HELPER_3(vsubcuw, void, avr, avr, avr) DEF_HELPER_2(lvsl, void, avr, tl); DEF_HELPER_2(lvsr, void, avr, tl); +DEF_HELPER_3(vaddsbs, void, avr, avr, avr) +DEF_HELPER_3(vaddshs, void, avr, avr, avr) +DEF_HELPER_3(vaddsws, void, avr, avr, avr) +DEF_HELPER_3(vsubsbs, void, avr, avr, avr) +DEF_HELPER_3(vsubshs, void, avr, avr, avr) +DEF_HELPER_3(vsubsws, void, avr, avr, avr) +DEF_HELPER_3(vaddubs, void, avr, avr, avr) +DEF_HELPER_3(vadduhs, void, avr, avr, avr) +DEF_HELPER_3(vadduws, void, avr, avr, avr) +DEF_HELPER_3(vsububs, void, avr, avr, avr) +DEF_HELPER_3(vsubuhs, void, avr, avr, avr) +DEF_HELPER_3(vsubuws, 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 0b44e7c..1468656 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2015,6 +2015,52 @@ VARITH(uwm, u32) #undef VARITH_DO #undef VARITH +#define VARITHSAT_CASE(type, op, min, max, use_min, use_max, element) \ + { \ + type result = (type)a->element[i] op (type)b->element[i]; \ + if (use_min && result < min) { \ + result = min; \ + sat = 1; \ + } else if (use_max && result > max) { \ + result = max; \ + sat = 1; \ + } \ + r->element[i] = result; \ + } + +#define VARITHSAT_DO(name, op, min, max, use_min, use_max, element) \ + void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ + { \ + int sat = 0; \ + int i; \ + for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ + switch (sizeof(r->element[0])) { \ + case 1: VARITHSAT_CASE(int16_t, op, min, max, use_min, use_max, element); break; \ + case 2: VARITHSAT_CASE(int32_t, op, min, max, use_min, use_max, element); break; \ + case 4: VARITHSAT_CASE(int64_t, op, min, max, use_min, use_max, element); break; \ + } \ + } \ + if (sat) { \ + env->vscr |= (1 << VSCR_SAT); \ + } \ + } +#define VARITHSAT_SIGNED(suffix, element, min, max) \ + VARITHSAT_DO(adds##suffix##s, +, min, max, 1, 1, element) \ + VARITHSAT_DO(subs##suffix##s, -, min, max, 1, 1, element) +#define VARITHSAT_UNSIGNED(suffix, element, max) \ + VARITHSAT_DO(addu##suffix##s, +, 0, max, 0, 1, element) \ + VARITHSAT_DO(subu##suffix##s, -, 0, max, 1, 0, element) +VARITHSAT_SIGNED(b, s8, INT8_MIN, INT8_MAX) +VARITHSAT_SIGNED(h, s16, INT16_MIN, INT16_MAX) +VARITHSAT_SIGNED(w, s32, INT32_MIN, INT32_MAX) +VARITHSAT_UNSIGNED(b, u8, UINT8_MAX) +VARITHSAT_UNSIGNED(h, u16, UINT16_MAX) +VARITHSAT_UNSIGNED(w, u32, UINT32_MAX) +#undef VARITHSAT_CASE +#undef VARITHSAT_DO +#undef VARITHSAT_SIGNED +#undef VARITHSAT_UNSIGNED + #define VAVG_DO(name, element, etype) \ 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 5c13ed2..7a6c6e4 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6301,6 +6301,18 @@ GEN_VXFORM(vslo, 6, 16); GEN_VXFORM(vsro, 6, 17); GEN_VXFORM(vaddcuw, 0, 6); GEN_VXFORM(vsubcuw, 0, 22); +GEN_VXFORM(vaddubs, 0, 8); +GEN_VXFORM(vadduhs, 0, 9); +GEN_VXFORM(vadduws, 0, 10); +GEN_VXFORM(vaddsbs, 0, 12); +GEN_VXFORM(vaddshs, 0, 13); +GEN_VXFORM(vaddsws, 0, 14); +GEN_VXFORM(vsububs, 0, 24); +GEN_VXFORM(vsubuhs, 0, 25); +GEN_VXFORM(vsubuws, 0, 26); +GEN_VXFORM(vsubsbs, 0, 28); +GEN_VXFORM(vsubshs, 0, 29); +GEN_VXFORM(vsubsws, 0, 30); #define GEN_VXRFORM1(opname, name, str, opc2, opc3) \ GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC) \ -- 1.6.0.5