From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LQ6Vw-0007iC-Hd for qemu-devel@nongnu.org; Thu, 22 Jan 2009 15:51:00 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LQ6Vv-0007hL-DK for qemu-devel@nongnu.org; Thu, 22 Jan 2009 15:50:59 -0500 Received: from [199.232.76.173] (port=37435 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LQ6Vv-0007hG-78 for qemu-devel@nongnu.org; Thu, 22 Jan 2009 15:50:59 -0500 Received: from mx20.gnu.org ([199.232.41.8]:41120) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LQ6Vu-0005zZ-QD for qemu-devel@nongnu.org; Thu, 22 Jan 2009 15:50:59 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LQ6Vt-0005vS-UA for qemu-devel@nongnu.org; Thu, 22 Jan 2009 15:50:58 -0500 From: Nathan Froyd Date: Thu, 22 Jan 2009 12:44:13 -0800 Message-Id: <1232657054-30100-14-git-send-email-froydnj@codesourcery.com> In-Reply-To: <1232657054-30100-1-git-send-email-froydnj@codesourcery.com> References: <1232657054-30100-1-git-send-email-froydnj@codesourcery.com> Subject: [Qemu-devel] [PATCH 13/14] Add vrefp 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 Cc: Nathan Froyd Signed-off-by: Nathan Froyd --- target-ppc/helper.h | 1 + target-ppc/op_helper.c | 27 +++++++++++++++++++++++++++ target-ppc/translate.c | 1 + 3 files changed, 29 insertions(+), 0 deletions(-) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index a463787..516cee0 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -244,6 +244,7 @@ DEF_HELPER_3(vaddfp, void, avr, avr, avr) DEF_HELPER_3(vsubfp, void, avr, avr, avr) DEF_HELPER_3(vmaxfp, void, avr, avr, avr) DEF_HELPER_3(vminfp, void, avr, avr, avr) +DEF_HELPER_2(vrefp, void, avr, avr) DEF_HELPER_2(vrfim, void, avr, avr) DEF_HELPER_2(vrfin, void, avr, avr) DEF_HELPER_2(vrfip, void, avr, avr) diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index e1022ab..8055e1a 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2696,6 +2696,33 @@ VPK(uwum, u32, u16, I, 0) #undef VPK #undef PKBIG +void helper_vrefp (ppc_avr_t *r, ppc_avr_t *b) +{ + int i; + for (i = 0; i < ARRAY_SIZE(r->f); i++) { + HANDLE_NAN1(r->f[i], b->f[i]) { + if (float32_is_infinity(b->f[i])) { + if (float32_is_neg(b->f[i])) { + r->f[i] = float32_chs(float32_zero); + } else { + r->f[i] = float32_zero; + } + } else if (float32_is_zero(b->f[i])) { + if (float32_is_neg(b->f[i])) { + /* Negative infinity */ + r->u32[i] = 0xff800000; + } else { + /* Positive infinity */ + r->u32[i] = 0x7f800000; + } + } else { + float32 one = int32_to_float32(1, &env->vec_status); + r->f[i] = float32_div(one, b->f[i], &env->vec_status); + } + } + } +} + #define VRFI(suffix, rounding) \ void helper_vrfi##suffix (ppc_avr_t *r, ppc_avr_t *b) \ { \ diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 81011a2..01a4f11 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6476,6 +6476,7 @@ GEN_VXFORM_NOA(vupklsb, 7, 10); GEN_VXFORM_NOA(vupklsh, 7, 11); GEN_VXFORM_NOA(vupkhpx, 7, 13); GEN_VXFORM_NOA(vupklpx, 7, 15); +GEN_VXFORM_NOA(vrefp, 5, 4); GEN_VXFORM_NOA(vrfim, 5, 8); GEN_VXFORM_NOA(vrfin, 5, 9); GEN_VXFORM_NOA(vrfip, 5, 10); -- 1.6.0.5