From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48044) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W1hSn-0001DT-RQ for qemu-devel@nongnu.org; Fri, 10 Jan 2014 14:09:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W1hSd-00009o-Gy for qemu-devel@nongnu.org; Fri, 10 Jan 2014 14:09:49 -0500 From: Tom Musta Date: Fri, 10 Jan 2014 13:08:01 -0600 Message-Id: <1389380882-5597-18-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 17/18] target-ppc: Scalar Round to Single Precision 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 VSX Scalar Round to Single Precision (xsrsp) instruction. Signed-off-by: Tom Musta --- V6: New. target-ppc/fpu_helper.c | 17 +++++++++++++++++ target-ppc/helper.h | 1 + target-ppc/translate.c | 2 ++ 3 files changed, 20 insertions(+), 0 deletions(-) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 1dfb3c0..c1524e3 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2666,3 +2666,20 @@ VSX_ROUND(xvrspic, 4, float32, f32, FLOAT_ROUND_CURRENT, 0) VSX_ROUND(xvrspim, 4, float32, f32, float_round_down, 0) VSX_ROUND(xvrspip, 4, float32, f32, float_round_up, 0) VSX_ROUND(xvrspiz, 4, float32, f32, float_round_to_zero, 0) + +void helper_xsrsp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xt, xb; + + getVSR(xB(opcode), &xb, env); + getVSR(xT(opcode), &xt, env); + + helper_reset_fpstatus(env); + + xt.f64[0] = helper_frsp(env, xb.f64[0]); + + helper_compute_fprf(env, xt.f64[0], 1); + + putVSR(xT(opcode), &xt, env); + helper_float_check_status(env); +} diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 6250eba..300e194 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -293,6 +293,7 @@ DEF_HELPER_2(xssubsp, void, env, i32) DEF_HELPER_2(xsmulsp, void, env, i32) DEF_HELPER_2(xsdivsp, void, env, i32) DEF_HELPER_2(xsresp, void, env, i32) +DEF_HELPER_2(xsrsp, void, env, i32) DEF_HELPER_2(xssqrtsp, void, env, i32) DEF_HELPER_2(xsrsqrtesp, void, env, i32) DEF_HELPER_2(xsmaddasp, void, env, i32) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 7f2a66f..48b93c8 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7426,6 +7426,7 @@ GEN_VSX_HELPER_2(xssubsp, 0x00, 0x01, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xsmulsp, 0x00, 0x02, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xsdivsp, 0x00, 0x03, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xsresp, 0x14, 0x01, 0, PPC2_VSX207) +GEN_VSX_HELPER_2(xsrsp, 0x12, 0x11, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xssqrtsp, 0x16, 0x00, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xsrsqrtesp, 0x14, 0x00, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xsmaddasp, 0x04, 0x00, 0, PPC2_VSX207) @@ -10263,6 +10264,7 @@ GEN_XX3FORM(xssubsp, 0x00, 0x01, PPC2_VSX207), GEN_XX3FORM(xsmulsp, 0x00, 0x02, PPC2_VSX207), GEN_XX3FORM(xsdivsp, 0x00, 0x03, PPC2_VSX207), GEN_XX2FORM(xsresp, 0x14, 0x01, PPC2_VSX207), +GEN_XX2FORM(xsrsp, 0x12, 0x11, PPC2_VSX207), GEN_XX2FORM(xssqrtsp, 0x16, 0x00, PPC2_VSX207), GEN_XX2FORM(xsrsqrtesp, 0x14, 0x00, PPC2_VSX207), GEN_XX3FORM(xsmaddasp, 0x04, 0x00, PPC2_VSX207), -- 1.7.1