From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LJbDs-0001wJ-Tz for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:13:28 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LJbDr-0001vn-Vu for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:13:28 -0500 Received: from [199.232.76.173] (port=59182 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LJbDr-0001vg-Om for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:13:27 -0500 Received: from savannah.gnu.org ([199.232.41.3]:36068 helo=sv.gnu.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LJbDr-00015p-93 for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:13:27 -0500 Received: from cvs.savannah.gnu.org ([199.232.41.69]) by sv.gnu.org with esmtp (Exim 4.63) (envelope-from ) id 1LJbDm-0003cr-DY for qemu-devel@nongnu.org; Sun, 04 Jan 2009 22:13:22 +0000 Received: from aurel32 by cvs.savannah.gnu.org with local (Exim 4.63) (envelope-from ) id 1LJbDl-0003cm-Sy for qemu-devel@nongnu.org; Sun, 04 Jan 2009 22:13:22 +0000 MIME-Version: 1.0 Errors-To: aurel32 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Aurelien Jarno Message-Id: Date: Sun, 04 Jan 2009 22:13:21 +0000 Subject: [Qemu-devel] [6189] Add vsumsws, vsum2sws, and vsum4{sbs, shs, ubs} 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 Revision: 6189 http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6189 Author: aurel32 Date: 2009-01-04 22:13:21 +0000 (Sun, 04 Jan 2009) Log Message: ----------- Add vsumsws, vsum2sws, and vsum4{sbs, shs,ubs} instructions. Signed-off-by: Nathan Froyd Signed-off-by: Aurelien Jarno Modified Paths: -------------- trunk/target-ppc/helper.h trunk/target-ppc/op_helper.c trunk/target-ppc/translate.c Modified: trunk/target-ppc/helper.h =================================================================== --- trunk/target-ppc/helper.h 2009-01-04 22:13:10 UTC (rev 6188) +++ trunk/target-ppc/helper.h 2009-01-04 22:13:21 UTC (rev 6189) @@ -191,6 +191,11 @@ DEF_HELPER_2(stvebx, void, avr, tl) DEF_HELPER_2(stvehx, void, avr, tl) DEF_HELPER_2(stvewx, void, avr, tl) +DEF_HELPER_3(vsumsws, void, avr, avr, avr) +DEF_HELPER_3(vsum2sws, void, avr, avr, avr) +DEF_HELPER_3(vsum4sbs, void, avr, avr, avr) +DEF_HELPER_3(vsum4shs, void, avr, avr, avr) +DEF_HELPER_3(vsum4ubs, void, avr, avr, avr) DEF_HELPER_1(efscfsi, i32, i32) DEF_HELPER_1(efscfui, i32, i32) Modified: trunk/target-ppc/op_helper.c =================================================================== --- trunk/target-ppc/op_helper.c 2009-01-04 22:13:10 UTC (rev 6188) +++ trunk/target-ppc/op_helper.c 2009-01-04 22:13:21 UTC (rev 6189) @@ -2534,7 +2534,110 @@ } } +void helper_vsumsws (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int64_t t; + int i, upper; + ppc_avr_t result; + int sat = 0; + #if defined(WORDS_BIGENDIAN) + upper = ARRAY_SIZE(r->s32)-1; +#else + upper = 0; +#endif + t = (int64_t)b->s32[upper]; + for (i = 0; i < ARRAY_SIZE(r->s32); i++) { + t += a->s32[i]; + result.s32[i] = 0; + } + result.s32[upper] = cvtsdsw(t, &sat); + *r = result; + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + +void helper_vsum2sws (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i, j, upper; + ppc_avr_t result; + int sat = 0; + +#if defined(WORDS_BIGENDIAN) + upper = 1; +#else + upper = 0; +#endif + for (i = 0; i < ARRAY_SIZE(r->u64); i++) { + int64_t t = (int64_t)b->s32[upper+i*2]; + result.u64[i] = 0; + for (j = 0; j < ARRAY_SIZE(r->u64); j++) { + t += a->s32[2*i+j]; + } + result.s32[upper+i*2] = cvtsdsw(t, &sat); + } + + *r = result; + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + +void helper_vsum4sbs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i, j; + int sat = 0; + + for (i = 0; i < ARRAY_SIZE(r->s32); i++) { + int64_t t = (int64_t)b->s32[i]; + for (j = 0; j < ARRAY_SIZE(r->s32); j++) { + t += a->s8[4*i+j]; + } + r->s32[i] = cvtsdsw(t, &sat); + } + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + +void helper_vsum4shs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int sat = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(r->s32); i++) { + int64_t t = (int64_t)b->s32[i]; + t += a->s16[2*i] + a->s16[2*i+1]; + r->s32[i] = cvtsdsw(t, &sat); + } + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + +void helper_vsum4ubs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i, j; + int sat = 0; + + for (i = 0; i < ARRAY_SIZE(r->u32); i++) { + uint64_t t = (uint64_t)b->u32[i]; + for (j = 0; j < ARRAY_SIZE(r->u32); j++) { + t += a->u8[4*i+j]; + } + r->u32[i] = cvtuduw(t, &sat); + } + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + +#if defined(WORDS_BIGENDIAN) #define UPKHI 1 #define UPKLO 0 #else Modified: trunk/target-ppc/translate.c =================================================================== --- trunk/target-ppc/translate.c 2009-01-04 22:13:10 UTC (rev 6188) +++ trunk/target-ppc/translate.c 2009-01-04 22:13:21 UTC (rev 6189) @@ -6326,6 +6326,11 @@ GEN_VXFORM(vpkshss, 7, 6); GEN_VXFORM(vpkswss, 7, 7); GEN_VXFORM(vpkpx, 7, 12); +GEN_VXFORM(vsum4ubs, 4, 24); +GEN_VXFORM(vsum4sbs, 4, 28); +GEN_VXFORM(vsum4shs, 4, 25); +GEN_VXFORM(vsum2sws, 4, 26); +GEN_VXFORM(vsumsws, 4, 30); #define GEN_VXFORM_NOA(name, opc2, opc3) \ GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) \