From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LJbAz-00016i-SG for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:10:29 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LJbAz-000169-5Q for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:10:29 -0500 Received: from [199.232.76.173] (port=56558 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LJbAy-000165-W3 for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:10:29 -0500 Received: from savannah.gnu.org ([199.232.41.3]:35987 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 1LJbAy-0000qW-5b for qemu-devel@nongnu.org; Sun, 04 Jan 2009 17:10:28 -0500 Received: from cvs.savannah.gnu.org ([199.232.41.69]) by sv.gnu.org with esmtp (Exim 4.63) (envelope-from ) id 1LJbAp-0001iU-9e for qemu-devel@nongnu.org; Sun, 04 Jan 2009 22:10:19 +0000 Received: from aurel32 by cvs.savannah.gnu.org with local (Exim 4.63) (envelope-from ) id 1LJbAo-0001hR-8c for qemu-devel@nongnu.org; Sun, 04 Jan 2009 22:10:19 +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 22:10:18 +0000 Subject: [Qemu-devel] [6171] 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 Revision: 6171 http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6171 Author: aurel32 Date: 2009-01-04 22:10:09 +0000 (Sun, 04 Jan 2009) Log Message: ----------- Add vsldoi instruction. 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 22:09:52 UTC (rev 6170) +++ trunk/target-ppc/helper.h 2009-01-04 22:10:09 UTC (rev 6171) @@ -155,6 +155,7 @@ 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_4(vsldoi, void, avr, avr, avr, i32) 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 22:09:52 UTC (rev 6170) +++ trunk/target-ppc/op_helper.c 2009-01-04 22:10:09 UTC (rev 6171) @@ -2145,6 +2145,34 @@ 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) + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { + int index = sh + i; + if (index > 0xf) { + result.u8[i] = b->u8[index-0x10]; + } else { + result.u8[i] = a->u8[index]; + } + } +#else + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { + 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; Modified: trunk/target-ppc/translate.c =================================================================== --- trunk/target-ppc/translate.c 2009-01-04 22:09:52 UTC (rev 6170) +++ trunk/target-ppc/translate.c 2009-01-04 22:10:09 UTC (rev 6171) @@ -374,6 +374,8 @@ 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 */ @@ -6268,6 +6270,25 @@ GEN_VXFORM(vrlh, 2, 1); GEN_VXFORM(vrlw, 2, 2); +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_ptr(ra); + tcg_temp_free_ptr(rb); + tcg_temp_free_ptr(rd); + tcg_temp_free(sh); +} + /*** SPE extension ***/ /* Register moves */