From 354a6decf1508f15fb1b4b419efcd05d209bece4 Mon Sep 17 00:00:00 2001 From: Tom Musta Date: Thu, 2 Jan 2014 16:21:32 -0600 Subject: [PATCH] target-ppc: Add VSX Vector Compare Instructions 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 Signed-off-by: Alexander Graf --- target-ppc/fpu_helper.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++ target-ppc/helper.h | 6 ++++++ target-ppc/translate.c | 23 ++++++++++++++++++++ 3 files changed, 86 insertions(+) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 8ece96651f..128605ef5a 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2327,3 +2327,60 @@ 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 4a65d394f3..35389c58bd 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 cb68dcdf34..2fae1f32a3 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) \ -- 2.11.4.GIT