From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48058) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W1hSq-0001HI-NF for qemu-devel@nongnu.org; Fri, 10 Jan 2014 14:10:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W1hSi-0000Af-4V for qemu-devel@nongnu.org; Fri, 10 Jan 2014 14:09:52 -0500 From: Tom Musta Date: Fri, 10 Jan 2014 13:08:02 -0600 Message-Id: <1389380882-5597-19-git-send-email-tommusta@gmail.com> In-Reply-To: <1389380882-5597-1-git-send-email-tommusta@gmail.com> References: <1389380882-5597-1-git-send-email-tommusta@gmail.com> Subject: [Qemu-devel] [V6 PATCH 18/18] target-ppc: Scalar Non-Signalling Conversions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Tom Musta , qemu-ppc@nongnu.org This patch adds the non-signalling scalar conversion instructions: - VSX Scalar Convert Single Precision to Double Precision Non-Signalling (xscvspdpn) - VSX Scalar Convert Double Precision to Single Precision Non-Signalling (xscvdpspn) Signed-off-by: Tom Musta --- V6: New. target-ppc/fpu_helper.c | 19 +++++++++++++++++++ target-ppc/helper.h | 2 ++ target-ppc/translate.c | 4 ++++ 3 files changed, 25 insertions(+), 0 deletions(-) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index c1524e3..8bb647c 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2487,6 +2487,25 @@ VSX_CVT_FP_TO_FP(xscvspdp, 1, float32, float64, f32[j], f64[i], 1) VSX_CVT_FP_TO_FP(xvcvdpsp, 2, float64, float32, f64[i], f32[j], 0) VSX_CVT_FP_TO_FP(xvcvspdp, 2, float32, float64, f32[j], f64[i], 0) +#define VSX_CVT_FP_TO_FP_NONSIG(op, stp, ttp, sfld, tfld) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xb; \ + \ + getVSR(xB(opcode), &xb, env); \ + getVSR(xT(opcode), &xt, env); \ + \ + float_status tstat = env->fp_status; \ + set_float_exception_flags(0, &tstat); \ + \ + xt.tfld[0] = stp##_to_##ttp(xb.sfld[0], &tstat); \ + \ + putVSR(xT(opcode), &xt, env); \ +} + +VSX_CVT_FP_TO_FP_NONSIG(xscvdpspn, float64, float32, f64, f32) +VSX_CVT_FP_TO_FP_NONSIG(xscvspdpn, float32, float64, f32, f64) + /* VSX_CVT_FP_TO_INT - VSX floating point to integer conversion * op - instruction mnemonic * nels - number of elements (1, 2 or 4) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 300e194..753ab01 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -273,7 +273,9 @@ DEF_HELPER_2(xscmpudp, void, env, i32) DEF_HELPER_2(xsmaxdp, void, env, i32) DEF_HELPER_2(xsmindp, void, env, i32) DEF_HELPER_2(xscvdpsp, void, env, i32) +DEF_HELPER_2(xscvdpspn, void, env, i32) DEF_HELPER_2(xscvspdp, void, env, i32) +DEF_HELPER_2(xscvspdpn, void, env, i32) DEF_HELPER_2(xscvdpsxds, void, env, i32) DEF_HELPER_2(xscvdpsxws, void, env, i32) DEF_HELPER_2(xscvdpuxds, void, env, i32) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 48b93c8..dde5a06 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7408,7 +7408,9 @@ GEN_VSX_HELPER_2(xscmpudp, 0x0C, 0x04, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmaxdp, 0x00, 0x14, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmindp, 0x00, 0x15, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpsp, 0x12, 0x10, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xscvdpspn, 0x16, 0x10, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xscvspdp, 0x12, 0x14, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xscvspdpn, 0x16, 0x14, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xscvdpsxds, 0x10, 0x15, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpsxws, 0x10, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpuxds, 0x10, 0x14, 0, PPC2_VSX) @@ -10246,7 +10248,9 @@ GEN_XX2FORM(xscmpudp, 0x0C, 0x04, PPC2_VSX), GEN_XX3FORM(xsmaxdp, 0x00, 0x14, PPC2_VSX), GEN_XX3FORM(xsmindp, 0x00, 0x15, PPC2_VSX), GEN_XX2FORM(xscvdpsp, 0x12, 0x10, PPC2_VSX), +GEN_XX2FORM(xscvdpspn, 0x16, 0x10, PPC2_VSX207), GEN_XX2FORM(xscvspdp, 0x12, 0x14, PPC2_VSX), +GEN_XX2FORM(xscvspdpn, 0x16, 0x14, PPC2_VSX207), GEN_XX2FORM(xscvdpsxds, 0x10, 0x15, PPC2_VSX), GEN_XX2FORM(xscvdpsxws, 0x10, 0x05, PPC2_VSX), GEN_XX2FORM(xscvdpuxds, 0x10, 0x14, PPC2_VSX), -- 1.7.1