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[129.42.161.36]) by mx.google.com with ESMTPSA id j9sm76301098qeo.18.2014.01.02.14.22.05 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 02 Jan 2014 14:22:05 -0800 (PST) From: Tom Musta To: qemu-devel@nongnu.org Date: Thu, 2 Jan 2014 16:21:32 -0600 Message-Id: <1388701295-29855-20-git-send-email-tommusta@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1388701295-29855-1-git-send-email-tommusta@gmail.com> References: <1388701295-29855-1-git-send-email-tommusta@gmail.com> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:400d:c02::22d Cc: Tom Musta , qemu-ppc@nongnu.org Subject: [Qemu-devel] [V5 PATCH 19/22] target-ppc: Add VSX Vector Compare Instructions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch adds the VSX floating point compare vector instructions: - xvcmpeqdp[.], xvcmpgedp[.], xvcmpgtdp[.] - xvcmpeqsp[.], xvcmpgesp[.], xvcmpgtsp[.] Signed-off-by: Tom Musta Reviewed-by: Richard Henderson --- target-ppc/fpu_helper.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++ target-ppc/helper.h | 6 +++++ target-ppc/translate.c | 23 ++++++++++++++++++ 3 files changed, 87 insertions(+), 0 deletions(-) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 8ece966..dafc41c 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2327,3 +2327,61 @@ VSX_MAX_MIN(xvmaxsp, maxnum, 4, float32, f32) VSX_MAX_MIN(xsmindp, minnum, 1, float64, f64) VSX_MAX_MIN(xvmindp, minnum, 2, float64, f64) VSX_MAX_MIN(xvminsp, minnum, 4, float32, f32) + +/* VSX_CMP - VSX floating point compare + * op - instruction mnemonic + * nels - number of elements (1, 2 or 4) + * tp - type (float32 or float64) + * fld - vsr_t field (f32 or f64) + * cmp - comparison operation + * svxvc - set VXVC bit + */ +#define VSX_CMP(op, nels, tp, fld, cmp, svxvc) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xa, xb; \ + int i; \ + int all_true = 1; \ + int all_false = 1; \ + \ + getVSR(xA(opcode), &xa, env); \ + getVSR(xB(opcode), &xb, env); \ + getVSR(xT(opcode), &xt, env); \ + \ + for (i = 0; i < nels; i++) { \ + if (unlikely(tp##_is_any_nan(xa.fld[i]) || \ + tp##_is_any_nan(xb.fld[i]))) { \ + if (tp##_is_signaling_nan(xa.fld[i]) || \ + tp##_is_signaling_nan(xb.fld[i])) { \ + fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \ + } \ + if (svxvc) { \ + fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \ + } \ + xt.fld[i] = 0; \ + all_true = 0; \ + } else { \ + if (tp##_##cmp(xb.fld[i], xa.fld[i], &env->fp_status) == 1) { \ + xt.fld[i] = -1; \ + all_false = 0; \ + } else { \ + xt.fld[i] = 0; \ + all_true = 0; \ + } \ + } \ + } \ + \ + putVSR(xT(opcode), &xt, env); \ + if ((opcode >> (31-21)) & 1) { \ + env->crf[6] = (all_true ? 0x8 : 0) | (all_false ? 0x2 : 0); \ + } \ + helper_float_check_status(env); \ + } + +VSX_CMP(xvcmpeqdp, 2, float64, f64, eq, 0) +VSX_CMP(xvcmpgedp, 2, float64, f64, le, 1) +VSX_CMP(xvcmpgtdp, 2, float64, f64, lt, 1) +VSX_CMP(xvcmpeqsp, 4, float32, f32, eq, 0) +VSX_CMP(xvcmpgesp, 4, float32, f32, le, 1) +VSX_CMP(xvcmpgtsp, 4, float32, f32, lt, 1) + diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 4a65d39..35389c5 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -292,6 +292,9 @@ DEF_HELPER_2(xvnmsubadp, void, env, i32) DEF_HELPER_2(xvnmsubmdp, void, env, i32) DEF_HELPER_2(xvmaxdp, void, env, i32) DEF_HELPER_2(xvmindp, void, env, i32) +DEF_HELPER_2(xvcmpeqdp, void, env, i32) +DEF_HELPER_2(xvcmpgedp, void, env, i32) +DEF_HELPER_2(xvcmpgtdp, void, env, i32) DEF_HELPER_2(xvaddsp, void, env, i32) DEF_HELPER_2(xvsubsp, void, env, i32) @@ -312,6 +315,9 @@ DEF_HELPER_2(xvnmsubasp, void, env, i32) DEF_HELPER_2(xvnmsubmsp, void, env, i32) DEF_HELPER_2(xvmaxsp, void, env, i32) DEF_HELPER_2(xvminsp, void, env, i32) +DEF_HELPER_2(xvcmpeqsp, void, env, i32) +DEF_HELPER_2(xvcmpgesp, void, env, i32) +DEF_HELPER_2(xvcmpgtsp, void, env, i32) DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 5cf2335..4638b6c 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7345,6 +7345,9 @@ GEN_VSX_HELPER_2(xvnmsubadp, 0x04, 0x1E, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvnmsubmdp, 0x04, 0x1F, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvmaxdp, 0x00, 0x1C, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvmindp, 0x00, 0x1D, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvcmpeqdp, 0x0C, 0x0C, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvcmpgtdp, 0x0C, 0x0D, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvcmpgedp, 0x0C, 0x0E, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvaddsp, 0x00, 0x08, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsubsp, 0x00, 0x09, 0, PPC2_VSX) @@ -7365,6 +7368,9 @@ GEN_VSX_HELPER_2(xvnmsubasp, 0x04, 0x1A, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvnmsubmsp, 0x04, 0x1B, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvmaxsp, 0x00, 0x18, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvminsp, 0x00, 0x19, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvcmpeqsp, 0x0C, 0x08, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvcmpgtsp, 0x0C, 0x09, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvcmpgesp, 0x0C, 0x0A, 0, PPC2_VSX) #define VSX_LOGICAL(name, tcg_op) \ static void glue(gen_, name)(DisasContext * ctx) \ @@ -10014,6 +10020,17 @@ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 2, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 3, opc3, 0, PPC_NONE, fl2) +#undef GEN_XX3_RC_FORM +#define GEN_XX3_RC_FORM(name, opc2, opc3, fl2) \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x00, opc3 | 0x00, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x01, opc3 | 0x00, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x02, opc3 | 0x00, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x03, opc3 | 0x00, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x00, opc3 | 0x10, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x01, opc3 | 0x10, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x02, opc3 | 0x10, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0x03, opc3 | 0x10, 0, PPC_NONE, fl2) + #undef GEN_XX3FORM_DM #define GEN_XX3FORM_DM(name, opc2, opc3) \ GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x00, opc3|0x00, 0, PPC_NONE, PPC2_VSX),\ @@ -10088,6 +10105,9 @@ GEN_XX3FORM(xvnmsubadp, 0x04, 0x1E, PPC2_VSX), GEN_XX3FORM(xvnmsubmdp, 0x04, 0x1F, PPC2_VSX), GEN_XX3FORM(xvmaxdp, 0x00, 0x1C, PPC2_VSX), GEN_XX3FORM(xvmindp, 0x00, 0x1D, PPC2_VSX), +GEN_XX3_RC_FORM(xvcmpeqdp, 0x0C, 0x0C, PPC2_VSX), +GEN_XX3_RC_FORM(xvcmpgtdp, 0x0C, 0x0D, PPC2_VSX), +GEN_XX3_RC_FORM(xvcmpgedp, 0x0C, 0x0E, PPC2_VSX), GEN_XX3FORM(xvaddsp, 0x00, 0x08, PPC2_VSX), GEN_XX3FORM(xvsubsp, 0x00, 0x09, PPC2_VSX), @@ -10108,6 +10128,9 @@ GEN_XX3FORM(xvnmsubasp, 0x04, 0x1A, PPC2_VSX), GEN_XX3FORM(xvnmsubmsp, 0x04, 0x1B, PPC2_VSX), GEN_XX3FORM(xvmaxsp, 0x00, 0x18, PPC2_VSX), GEN_XX3FORM(xvminsp, 0x00, 0x19, PPC2_VSX), +GEN_XX3_RC_FORM(xvcmpeqsp, 0x0C, 0x08, PPC2_VSX), +GEN_XX3_RC_FORM(xvcmpgtsp, 0x0C, 0x09, PPC2_VSX), +GEN_XX3_RC_FORM(xvcmpgesp, 0x0C, 0x0A, PPC2_VSX), #undef VSX_LOGICAL #define VSX_LOGICAL(name, opc2, opc3, fl2) \