diff options
| -rw-r--r-- | target-ppc/fpu_helper.c | 54 | ||||
| -rw-r--r-- | target-ppc/helper.h | 3 | ||||
| -rw-r--r-- | target-ppc/translate.c | 6 |
3 files changed, 63 insertions, 0 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index ee03942c52..73227b7263 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2095,3 +2095,57 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ VSX_TDIV(xstdivdp, 1, float64, f64, -1022, 1023, 52) VSX_TDIV(xvtdivdp, 2, float64, f64, -1022, 1023, 52) VSX_TDIV(xvtdivsp, 4, float32, f32, -126, 127, 23) + +/* VSX_TSQRT - VSX floating point test for square root + * op - instruction mnemonic + * nels - number of elements (1, 2 or 4) + * tp - type (float32 or float64) + * fld - vsr_t field (f32 or f64) + * emin - minimum unbiased exponent + * emax - maximum unbiased exponent + * nbits - number of fraction bits + */ +#define VSX_TSQRT(op, nels, tp, fld, emin, nbits) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xa, xb; \ + int i; \ + int fe_flag = 0; \ + int fg_flag = 0; \ + \ + getVSR(xA(opcode), &xa, env); \ + getVSR(xB(opcode), &xb, env); \ + \ + for (i = 0; i < nels; i++) { \ + if (unlikely(tp##_is_infinity(xb.fld[i]) || \ + tp##_is_zero(xb.fld[i]))) { \ + fe_flag = 1; \ + fg_flag = 1; \ + } else { \ + int e_b = ppc_##tp##_get_unbiased_exp(xb.fld[i]); \ + \ + if (unlikely(tp##_is_any_nan(xb.fld[i]))) { \ + fe_flag = 1; \ + } else if (unlikely(tp##_is_zero(xb.fld[i]))) { \ + fe_flag = 1; \ + } else if (unlikely(tp##_is_neg(xb.fld[i]))) { \ + fe_flag = 1; \ + } else if (!tp##_is_zero(xb.fld[i]) && \ + (e_b <= (emin+nbits))) { \ + fe_flag = 1; \ + } \ + \ + if (unlikely(tp##_is_zero_or_denormal(xb.fld[i]))) { \ + /* XB is not zero because of the above check and */ \ + /* therefore must be denormalized. */ \ + fg_flag = 1; \ + } \ + } \ + } \ + \ + env->crf[BF(opcode)] = 0x8 | (fg_flag ? 4 : 0) | (fe_flag ? 2 : 0); \ +} + +VSX_TSQRT(xstsqrtdp, 1, float64, f64, -1022, 52) +VSX_TSQRT(xvtsqrtdp, 2, float64, f64, -1022, 52) +VSX_TSQRT(xvtsqrtsp, 4, float32, f32, -126, 23) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 80cffc92ed..c413c98af1 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -259,6 +259,7 @@ DEF_HELPER_2(xsredp, void, env, i32) DEF_HELPER_2(xssqrtdp, void, env, i32) DEF_HELPER_2(xsrsqrtedp, void, env, i32) DEF_HELPER_2(xstdivdp, void, env, i32) +DEF_HELPER_2(xstsqrtdp, void, env, i32) DEF_HELPER_2(xvadddp, void, env, i32) DEF_HELPER_2(xvsubdp, void, env, i32) @@ -268,6 +269,7 @@ DEF_HELPER_2(xvredp, void, env, i32) DEF_HELPER_2(xvsqrtdp, void, env, i32) DEF_HELPER_2(xvrsqrtedp, void, env, i32) DEF_HELPER_2(xvtdivdp, void, env, i32) +DEF_HELPER_2(xvtsqrtdp, void, env, i32) DEF_HELPER_2(xvaddsp, void, env, i32) DEF_HELPER_2(xvsubsp, void, env, i32) @@ -277,6 +279,7 @@ DEF_HELPER_2(xvresp, void, env, i32) DEF_HELPER_2(xvsqrtsp, void, env, i32) DEF_HELPER_2(xvrsqrtesp, void, env, i32) DEF_HELPER_2(xvtdivsp, void, env, i32) +DEF_HELPER_2(xvtsqrtsp, 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 ded5f19d35..4898005512 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7312,6 +7312,7 @@ GEN_VSX_HELPER_2(xsredp, 0x14, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xssqrtdp, 0x16, 0x04, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsrsqrtedp, 0x14, 0x04, 0, PPC2_VSX) GEN_VSX_HELPER_2(xstdivdp, 0x14, 0x07, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xstsqrtdp, 0x14, 0x06, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvadddp, 0x00, 0x0C, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsubdp, 0x00, 0x0D, 0, PPC2_VSX) @@ -7321,6 +7322,7 @@ GEN_VSX_HELPER_2(xvredp, 0x14, 0x0D, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsqrtdp, 0x16, 0x0C, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvrsqrtedp, 0x14, 0x0C, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvtdivdp, 0x14, 0x0F, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvtsqrtdp, 0x14, 0x0E, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvaddsp, 0x00, 0x08, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsubsp, 0x00, 0x09, 0, PPC2_VSX) @@ -7330,6 +7332,7 @@ GEN_VSX_HELPER_2(xvresp, 0x14, 0x09, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsqrtsp, 0x16, 0x08, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvrsqrtesp, 0x14, 0x08, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvtdivsp, 0x14, 0x0B, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xvtsqrtsp, 0x14, 0x0A, 0, PPC2_VSX) #define VSX_LOGICAL(name, tcg_op) \ static void glue(gen_, name)(DisasContext * ctx) \ @@ -10020,6 +10023,7 @@ GEN_XX2FORM(xsredp, 0x14, 0x05, PPC2_VSX), GEN_XX2FORM(xssqrtdp, 0x16, 0x04, PPC2_VSX), GEN_XX2FORM(xsrsqrtedp, 0x14, 0x04, PPC2_VSX), GEN_XX3FORM(xstdivdp, 0x14, 0x07, PPC2_VSX), +GEN_XX2FORM(xstsqrtdp, 0x14, 0x06, PPC2_VSX), GEN_XX3FORM(xvadddp, 0x00, 0x0C, PPC2_VSX), GEN_XX3FORM(xvsubdp, 0x00, 0x0D, PPC2_VSX), @@ -10029,6 +10033,7 @@ GEN_XX2FORM(xvredp, 0x14, 0x0D, PPC2_VSX), GEN_XX2FORM(xvsqrtdp, 0x16, 0x0C, PPC2_VSX), GEN_XX2FORM(xvrsqrtedp, 0x14, 0x0C, PPC2_VSX), GEN_XX3FORM(xvtdivdp, 0x14, 0x0F, PPC2_VSX), +GEN_XX2FORM(xvtsqrtdp, 0x14, 0x0E, PPC2_VSX), GEN_XX3FORM(xvaddsp, 0x00, 0x08, PPC2_VSX), GEN_XX3FORM(xvsubsp, 0x00, 0x09, PPC2_VSX), @@ -10038,6 +10043,7 @@ GEN_XX2FORM(xvresp, 0x14, 0x09, PPC2_VSX), GEN_XX2FORM(xvsqrtsp, 0x16, 0x08, PPC2_VSX), GEN_XX2FORM(xvrsqrtesp, 0x14, 0x08, PPC2_VSX), GEN_XX3FORM(xvtdivsp, 0x14, 0x0B, PPC2_VSX), +GEN_XX2FORM(xvtsqrtsp, 0x14, 0x0A, PPC2_VSX), #undef VSX_LOGICAL #define VSX_LOGICAL(name, opc2, opc3, fl2) \ |