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llvmpipe: Don't assume vector is 4 wide in lp_build_sin()/lp_build_cos()
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
José Fonseca
parent
d2003ee7b7
commit
dbadd39508
1 changed files with 60 additions and 81 deletions
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@ -1662,23 +1662,6 @@ lp_build_rsqrt(struct lp_build_context *bld,
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}
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static inline LLVMValueRef
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lp_build_const_v4si(struct gallivm_state *gallivm, unsigned long value)
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{
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LLVMValueRef element = lp_build_const_int32(gallivm, value);
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LLVMValueRef elements[4] = { element, element, element, element };
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return LLVMConstVector(elements, 4);
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}
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static inline LLVMValueRef
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lp_build_const_v4sf(struct gallivm_state *gallivm, float value)
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{
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LLVMValueRef element = lp_build_const_float(gallivm, value);
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LLVMValueRef elements[4] = { element, element, element, element };
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return LLVMConstVector(elements, 4);
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}
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/**
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* Generate sin(a) using SSE2
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*/
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@ -1686,29 +1669,27 @@ LLVMValueRef
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lp_build_sin(struct lp_build_context *bld,
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LLVMValueRef a)
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{
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LLVMBuilderRef builder = bld->gallivm->builder;
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struct gallivm_state *gallivm = bld->gallivm;
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LLVMBuilderRef builder = gallivm->builder;
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struct lp_type int_type = lp_int_type(bld->type);
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LLVMBuilderRef b = builder;
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LLVMTypeRef v4sf = LLVMVectorType(LLVMFloatTypeInContext(bld->gallivm->context), 4);
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LLVMTypeRef v4si = LLVMVectorType(LLVMInt32TypeInContext(bld->gallivm->context), 4);
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/*
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* take the absolute value,
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* x = _mm_and_ps(x, *(v4sf*)_ps_inv_sign_mask);
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*/
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LLVMValueRef inv_sig_mask = lp_build_const_v4si(bld->gallivm, ~0x80000000);
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LLVMValueRef a_v4si = LLVMBuildBitCast(b, a, v4si, "a_v4si");
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LLVMValueRef inv_sig_mask = lp_build_const_int_vec(gallivm, bld->type, ~0x80000000);
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LLVMValueRef a_v4si = LLVMBuildBitCast(b, a, bld->int_vec_type, "a_v4si");
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LLVMValueRef absi = LLVMBuildAnd(b, a_v4si, inv_sig_mask, "absi");
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LLVMValueRef x_abs = LLVMBuildBitCast(b, absi, v4sf, "x_abs");
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LLVMValueRef x_abs = LLVMBuildBitCast(b, absi, bld->vec_type, "x_abs");
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/*
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* extract the sign bit (upper one)
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* sign_bit = _mm_and_ps(sign_bit, *(v4sf*)_ps_sign_mask);
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*/
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LLVMValueRef sig_mask = lp_build_const_v4si(bld->gallivm, 0x80000000);
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LLVMValueRef sig_mask = lp_build_const_int_vec(gallivm, bld->type, 0x80000000);
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LLVMValueRef sign_bit_i = LLVMBuildAnd(b, a_v4si, sig_mask, "sign_bit_i");
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/*
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@ -1716,7 +1697,7 @@ lp_build_sin(struct lp_build_context *bld,
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* y = _mm_mul_ps(x, *(v4sf*)_ps_cephes_FOPI);
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*/
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LLVMValueRef FOPi = lp_build_const_v4sf(gallivm, 1.27323954473516);
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LLVMValueRef FOPi = lp_build_const_vec(gallivm, bld->type, 1.27323954473516);
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LLVMValueRef scale_y = LLVMBuildFMul(b, x_abs, FOPi, "scale_y");
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/*
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@ -1724,36 +1705,36 @@ lp_build_sin(struct lp_build_context *bld,
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* emm2 = _mm_cvttps_epi32(y);
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*/
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LLVMValueRef emm2_i = LLVMBuildFPToSI(b, scale_y, v4si, "emm2_i");
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LLVMValueRef emm2_i = LLVMBuildFPToSI(b, scale_y, bld->int_vec_type, "emm2_i");
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/*
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* j=(j+1) & (~1) (see the cephes sources)
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* emm2 = _mm_add_epi32(emm2, *(v4si*)_pi32_1);
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*/
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LLVMValueRef all_one = lp_build_const_v4si(bld->gallivm, 1);
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LLVMValueRef all_one = lp_build_const_int_vec(gallivm, bld->type, 1);
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LLVMValueRef emm2_add = LLVMBuildAdd(b, emm2_i, all_one, "emm2_add");
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/*
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* emm2 = _mm_and_si128(emm2, *(v4si*)_pi32_inv1);
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*/
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LLVMValueRef inv_one = lp_build_const_v4si(bld->gallivm, ~1);
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LLVMValueRef inv_one = lp_build_const_int_vec(gallivm, bld->type, ~1);
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LLVMValueRef emm2_and = LLVMBuildAnd(b, emm2_add, inv_one, "emm2_and");
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/*
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* y = _mm_cvtepi32_ps(emm2);
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*/
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LLVMValueRef y_2 = LLVMBuildSIToFP(b, emm2_and, v4sf, "y_2");
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LLVMValueRef y_2 = LLVMBuildSIToFP(b, emm2_and, bld->vec_type, "y_2");
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/* get the swap sign flag
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* emm0 = _mm_and_si128(emm2, *(v4si*)_pi32_4);
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*/
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LLVMValueRef pi32_4 = lp_build_const_v4si(bld->gallivm, 4);
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LLVMValueRef pi32_4 = lp_build_const_int_vec(gallivm, bld->type, 4);
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LLVMValueRef emm0_and = LLVMBuildAnd(b, emm2_add, pi32_4, "emm0_and");
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/*
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* emm2 = _mm_slli_epi32(emm0, 29);
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*/
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LLVMValueRef const_29 = lp_build_const_v4si(bld->gallivm, 29);
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LLVMValueRef const_29 = lp_build_const_int_vec(gallivm, bld->type, 29);
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LLVMValueRef swap_sign_bit = LLVMBuildShl(b, emm0_and, const_29, "swap_sign_bit");
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/*
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@ -1766,11 +1747,11 @@ lp_build_sin(struct lp_build_context *bld,
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* emm2 = _mm_cmpeq_epi32(emm2, _mm_setzero_si128());
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*/
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LLVMValueRef pi32_2 = lp_build_const_v4si(bld->gallivm, 2);
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LLVMValueRef pi32_2 = lp_build_const_int_vec(gallivm, bld->type, 2);
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LLVMValueRef emm2_3 = LLVMBuildAnd(b, emm2_and, pi32_2, "emm2_3");
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LLVMValueRef poly_mask = lp_build_compare(bld->gallivm,
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LLVMValueRef poly_mask = lp_build_compare(gallivm,
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int_type, PIPE_FUNC_EQUAL,
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emm2_3, lp_build_const_v4si(bld->gallivm, 0));
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emm2_3, lp_build_const_int_vec(gallivm, bld->type, 0));
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/*
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* sign_bit = _mm_xor_ps(sign_bit, swap_sign_bit);
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*/
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@ -1781,9 +1762,9 @@ lp_build_sin(struct lp_build_context *bld,
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* _PS_CONST(minus_cephes_DP2, -2.4187564849853515625e-4);
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* _PS_CONST(minus_cephes_DP3, -3.77489497744594108e-8);
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*/
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LLVMValueRef DP1 = lp_build_const_v4sf(gallivm, -0.78515625);
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LLVMValueRef DP2 = lp_build_const_v4sf(gallivm, -2.4187564849853515625e-4);
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LLVMValueRef DP3 = lp_build_const_v4sf(gallivm, -3.77489497744594108e-8);
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LLVMValueRef DP1 = lp_build_const_vec(gallivm, bld->type, -0.78515625);
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LLVMValueRef DP2 = lp_build_const_vec(gallivm, bld->type, -2.4187564849853515625e-4);
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LLVMValueRef DP3 = lp_build_const_vec(gallivm, bld->type, -3.77489497744594108e-8);
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/*
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* The magic pass: "Extended precision modular arithmetic"
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@ -1818,9 +1799,9 @@ lp_build_sin(struct lp_build_context *bld,
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* _PS_CONST(coscof_p1, -1.388731625493765E-003);
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* _PS_CONST(coscof_p2, 4.166664568298827E-002);
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*/
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LLVMValueRef coscof_p0 = lp_build_const_v4sf(gallivm, 2.443315711809948E-005);
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LLVMValueRef coscof_p1 = lp_build_const_v4sf(gallivm, -1.388731625493765E-003);
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LLVMValueRef coscof_p2 = lp_build_const_v4sf(gallivm, 4.166664568298827E-002);
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LLVMValueRef coscof_p0 = lp_build_const_vec(gallivm, bld->type, 2.443315711809948E-005);
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LLVMValueRef coscof_p1 = lp_build_const_vec(gallivm, bld->type, -1.388731625493765E-003);
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LLVMValueRef coscof_p2 = lp_build_const_vec(gallivm, bld->type, 4.166664568298827E-002);
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/*
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* y = *(v4sf*)_ps_coscof_p0;
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@ -1839,10 +1820,10 @@ lp_build_sin(struct lp_build_context *bld,
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* y = _mm_sub_ps(y, tmp);
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* y = _mm_add_ps(y, *(v4sf*)_ps_1);
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*/
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LLVMValueRef half = lp_build_const_v4sf(gallivm, 0.5);
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LLVMValueRef half = lp_build_const_vec(gallivm, bld->type, 0.5);
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LLVMValueRef tmp = LLVMBuildFMul(b, z, half, "tmp");
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LLVMValueRef y_9 = LLVMBuildFSub(b, y_8, tmp, "y_8");
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LLVMValueRef one = lp_build_const_v4sf(gallivm, 1.0);
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LLVMValueRef one = lp_build_const_vec(gallivm, bld->type, 1.0);
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LLVMValueRef y_10 = LLVMBuildFAdd(b, y_9, one, "y_9");
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/*
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@ -1850,9 +1831,9 @@ lp_build_sin(struct lp_build_context *bld,
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* _PS_CONST(sincof_p1, 8.3321608736E-3);
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* _PS_CONST(sincof_p2, -1.6666654611E-1);
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*/
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LLVMValueRef sincof_p0 = lp_build_const_v4sf(gallivm, -1.9515295891E-4);
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LLVMValueRef sincof_p1 = lp_build_const_v4sf(gallivm, 8.3321608736E-3);
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LLVMValueRef sincof_p2 = lp_build_const_v4sf(gallivm, -1.6666654611E-1);
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LLVMValueRef sincof_p0 = lp_build_const_vec(gallivm, bld->type, -1.9515295891E-4);
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LLVMValueRef sincof_p1 = lp_build_const_vec(gallivm, bld->type, 8.3321608736E-3);
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LLVMValueRef sincof_p2 = lp_build_const_vec(gallivm, bld->type, -1.6666654611E-1);
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/*
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* Evaluate the second polynom (Pi/4 <= x <= 0)
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@ -1882,10 +1863,10 @@ lp_build_sin(struct lp_build_context *bld,
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* y = _mm_andnot_ps(xmm3, y);
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* y = _mm_add_ps(y,y2);
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*/
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LLVMValueRef y2_i = LLVMBuildBitCast(b, y2_9, v4si, "y2_i");
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LLVMValueRef y_i = LLVMBuildBitCast(b, y_10, v4si, "y_i");
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LLVMValueRef y2_i = LLVMBuildBitCast(b, y2_9, bld->int_vec_type, "y2_i");
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LLVMValueRef y_i = LLVMBuildBitCast(b, y_10, bld->int_vec_type, "y_i");
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LLVMValueRef y2_and = LLVMBuildAnd(b, y2_i, poly_mask, "y2_and");
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LLVMValueRef inv = lp_build_const_v4si(bld->gallivm, ~0);
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LLVMValueRef inv = lp_build_const_int_vec(gallivm, bld->type, ~0);
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LLVMValueRef poly_mask_inv = LLVMBuildXor(b, poly_mask, inv, "poly_mask_inv");
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LLVMValueRef y_and = LLVMBuildAnd(b, y_i, poly_mask_inv, "y_and");
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LLVMValueRef y_combine = LLVMBuildAdd(b, y_and, y2_and, "y_combine");
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@ -1895,7 +1876,7 @@ lp_build_sin(struct lp_build_context *bld,
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* y = _mm_xor_ps(y, sign_bit);
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*/
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LLVMValueRef y_sign = LLVMBuildXor(b, y_combine, sign_bit_1, "y_sin");
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LLVMValueRef y_result = LLVMBuildBitCast(b, y_sign, v4sf, "y_result");
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LLVMValueRef y_result = LLVMBuildBitCast(b, y_sign, bld->vec_type, "y_result");
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return y_result;
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}
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@ -1907,30 +1888,28 @@ LLVMValueRef
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lp_build_cos(struct lp_build_context *bld,
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LLVMValueRef a)
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{
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LLVMBuilderRef builder = bld->gallivm->builder;
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struct gallivm_state *gallivm = bld->gallivm;
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LLVMBuilderRef builder = gallivm->builder;
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struct lp_type int_type = lp_int_type(bld->type);
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LLVMBuilderRef b = builder;
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LLVMTypeRef v4sf = LLVMVectorType(LLVMFloatTypeInContext(bld->gallivm->context), 4);
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LLVMTypeRef v4si = LLVMVectorType(LLVMInt32TypeInContext(bld->gallivm->context), 4);
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/*
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* take the absolute value,
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* x = _mm_and_ps(x, *(v4sf*)_ps_inv_sign_mask);
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*/
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LLVMValueRef inv_sig_mask = lp_build_const_v4si(bld->gallivm, ~0x80000000);
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LLVMValueRef a_v4si = LLVMBuildBitCast(b, a, v4si, "a_v4si");
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LLVMValueRef inv_sig_mask = lp_build_const_int_vec(gallivm, bld->type, ~0x80000000);
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LLVMValueRef a_v4si = LLVMBuildBitCast(b, a, bld->int_vec_type, "a_v4si");
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LLVMValueRef absi = LLVMBuildAnd(b, a_v4si, inv_sig_mask, "absi");
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LLVMValueRef x_abs = LLVMBuildBitCast(b, absi, v4sf, "x_abs");
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LLVMValueRef x_abs = LLVMBuildBitCast(b, absi, bld->vec_type, "x_abs");
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/*
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* scale by 4/Pi
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* y = _mm_mul_ps(x, *(v4sf*)_ps_cephes_FOPI);
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*/
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LLVMValueRef FOPi = lp_build_const_v4sf(gallivm, 1.27323954473516);
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LLVMValueRef FOPi = lp_build_const_vec(gallivm, bld->type, 1.27323954473516);
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LLVMValueRef scale_y = LLVMBuildFMul(b, x_abs, FOPi, "scale_y");
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/*
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@ -1938,46 +1917,46 @@ lp_build_cos(struct lp_build_context *bld,
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* emm2 = _mm_cvttps_epi32(y);
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*/
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LLVMValueRef emm2_i = LLVMBuildFPToSI(b, scale_y, v4si, "emm2_i");
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LLVMValueRef emm2_i = LLVMBuildFPToSI(b, scale_y, bld->int_vec_type, "emm2_i");
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/*
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* j=(j+1) & (~1) (see the cephes sources)
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* emm2 = _mm_add_epi32(emm2, *(v4si*)_pi32_1);
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*/
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LLVMValueRef all_one = lp_build_const_v4si(bld->gallivm, 1);
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LLVMValueRef all_one = lp_build_const_int_vec(gallivm, bld->type, 1);
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LLVMValueRef emm2_add = LLVMBuildAdd(b, emm2_i, all_one, "emm2_add");
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/*
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* emm2 = _mm_and_si128(emm2, *(v4si*)_pi32_inv1);
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*/
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LLVMValueRef inv_one = lp_build_const_v4si(bld->gallivm, ~1);
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LLVMValueRef inv_one = lp_build_const_int_vec(gallivm, bld->type, ~1);
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LLVMValueRef emm2_and = LLVMBuildAnd(b, emm2_add, inv_one, "emm2_and");
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/*
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* y = _mm_cvtepi32_ps(emm2);
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*/
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LLVMValueRef y_2 = LLVMBuildSIToFP(b, emm2_and, v4sf, "y_2");
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LLVMValueRef y_2 = LLVMBuildSIToFP(b, emm2_and, bld->vec_type, "y_2");
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/*
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* emm2 = _mm_sub_epi32(emm2, *(v4si*)_pi32_2);
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*/
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LLVMValueRef const_2 = lp_build_const_v4si(bld->gallivm, 2);
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LLVMValueRef const_2 = lp_build_const_int_vec(gallivm, bld->type, 2);
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LLVMValueRef emm2_2 = LLVMBuildSub(b, emm2_and, const_2, "emm2_2");
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/* get the swap sign flag
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* emm0 = _mm_andnot_si128(emm2, *(v4si*)_pi32_4);
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*/
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LLVMValueRef inv = lp_build_const_v4si(bld->gallivm, ~0);
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LLVMValueRef inv = lp_build_const_int_vec(gallivm, bld->type, ~0);
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LLVMValueRef emm0_not = LLVMBuildXor(b, emm2_2, inv, "emm0_not");
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LLVMValueRef pi32_4 = lp_build_const_v4si(bld->gallivm, 4);
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LLVMValueRef pi32_4 = lp_build_const_int_vec(gallivm, bld->type, 4);
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LLVMValueRef emm0_and = LLVMBuildAnd(b, emm0_not, pi32_4, "emm0_and");
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/*
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* emm2 = _mm_slli_epi32(emm0, 29);
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*/
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LLVMValueRef const_29 = lp_build_const_v4si(bld->gallivm, 29);
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LLVMValueRef const_29 = lp_build_const_int_vec(gallivm, bld->type, 29);
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LLVMValueRef sign_bit = LLVMBuildShl(b, emm0_and, const_29, "sign_bit");
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/*
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@ -1990,20 +1969,20 @@ lp_build_cos(struct lp_build_context *bld,
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* emm2 = _mm_cmpeq_epi32(emm2, _mm_setzero_si128());
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*/
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LLVMValueRef pi32_2 = lp_build_const_v4si(bld->gallivm, 2);
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LLVMValueRef pi32_2 = lp_build_const_int_vec(gallivm, bld->type, 2);
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LLVMValueRef emm2_3 = LLVMBuildAnd(b, emm2_2, pi32_2, "emm2_3");
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LLVMValueRef poly_mask = lp_build_compare(bld->gallivm,
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LLVMValueRef poly_mask = lp_build_compare(gallivm,
|
||||
int_type, PIPE_FUNC_EQUAL,
|
||||
emm2_3, lp_build_const_v4si(bld->gallivm, 0));
|
||||
emm2_3, lp_build_const_int_vec(gallivm, bld->type, 0));
|
||||
|
||||
/*
|
||||
* _PS_CONST(minus_cephes_DP1, -0.78515625);
|
||||
* _PS_CONST(minus_cephes_DP2, -2.4187564849853515625e-4);
|
||||
* _PS_CONST(minus_cephes_DP3, -3.77489497744594108e-8);
|
||||
*/
|
||||
LLVMValueRef DP1 = lp_build_const_v4sf(gallivm, -0.78515625);
|
||||
LLVMValueRef DP2 = lp_build_const_v4sf(gallivm, -2.4187564849853515625e-4);
|
||||
LLVMValueRef DP3 = lp_build_const_v4sf(gallivm, -3.77489497744594108e-8);
|
||||
LLVMValueRef DP1 = lp_build_const_vec(gallivm, bld->type, -0.78515625);
|
||||
LLVMValueRef DP2 = lp_build_const_vec(gallivm, bld->type, -2.4187564849853515625e-4);
|
||||
LLVMValueRef DP3 = lp_build_const_vec(gallivm, bld->type, -3.77489497744594108e-8);
|
||||
|
||||
/*
|
||||
* The magic pass: "Extended precision modular arithmetic"
|
||||
|
|
@ -2038,9 +2017,9 @@ lp_build_cos(struct lp_build_context *bld,
|
|||
* _PS_CONST(coscof_p1, -1.388731625493765E-003);
|
||||
* _PS_CONST(coscof_p2, 4.166664568298827E-002);
|
||||
*/
|
||||
LLVMValueRef coscof_p0 = lp_build_const_v4sf(gallivm, 2.443315711809948E-005);
|
||||
LLVMValueRef coscof_p1 = lp_build_const_v4sf(gallivm, -1.388731625493765E-003);
|
||||
LLVMValueRef coscof_p2 = lp_build_const_v4sf(gallivm, 4.166664568298827E-002);
|
||||
LLVMValueRef coscof_p0 = lp_build_const_vec(gallivm, bld->type, 2.443315711809948E-005);
|
||||
LLVMValueRef coscof_p1 = lp_build_const_vec(gallivm, bld->type, -1.388731625493765E-003);
|
||||
LLVMValueRef coscof_p2 = lp_build_const_vec(gallivm, bld->type, 4.166664568298827E-002);
|
||||
|
||||
/*
|
||||
* y = *(v4sf*)_ps_coscof_p0;
|
||||
|
|
@ -2059,10 +2038,10 @@ lp_build_cos(struct lp_build_context *bld,
|
|||
* y = _mm_sub_ps(y, tmp);
|
||||
* y = _mm_add_ps(y, *(v4sf*)_ps_1);
|
||||
*/
|
||||
LLVMValueRef half = lp_build_const_v4sf(gallivm, 0.5);
|
||||
LLVMValueRef half = lp_build_const_vec(gallivm, bld->type, 0.5);
|
||||
LLVMValueRef tmp = LLVMBuildFMul(b, z, half, "tmp");
|
||||
LLVMValueRef y_9 = LLVMBuildFSub(b, y_8, tmp, "y_8");
|
||||
LLVMValueRef one = lp_build_const_v4sf(gallivm, 1.0);
|
||||
LLVMValueRef one = lp_build_const_vec(gallivm, bld->type, 1.0);
|
||||
LLVMValueRef y_10 = LLVMBuildFAdd(b, y_9, one, "y_9");
|
||||
|
||||
/*
|
||||
|
|
@ -2070,9 +2049,9 @@ lp_build_cos(struct lp_build_context *bld,
|
|||
* _PS_CONST(sincof_p1, 8.3321608736E-3);
|
||||
* _PS_CONST(sincof_p2, -1.6666654611E-1);
|
||||
*/
|
||||
LLVMValueRef sincof_p0 = lp_build_const_v4sf(gallivm, -1.9515295891E-4);
|
||||
LLVMValueRef sincof_p1 = lp_build_const_v4sf(gallivm, 8.3321608736E-3);
|
||||
LLVMValueRef sincof_p2 = lp_build_const_v4sf(gallivm, -1.6666654611E-1);
|
||||
LLVMValueRef sincof_p0 = lp_build_const_vec(gallivm, bld->type, -1.9515295891E-4);
|
||||
LLVMValueRef sincof_p1 = lp_build_const_vec(gallivm, bld->type, 8.3321608736E-3);
|
||||
LLVMValueRef sincof_p2 = lp_build_const_vec(gallivm, bld->type, -1.6666654611E-1);
|
||||
|
||||
/*
|
||||
* Evaluate the second polynom (Pi/4 <= x <= 0)
|
||||
|
|
@ -2102,8 +2081,8 @@ lp_build_cos(struct lp_build_context *bld,
|
|||
* y = _mm_andnot_ps(xmm3, y);
|
||||
* y = _mm_add_ps(y,y2);
|
||||
*/
|
||||
LLVMValueRef y2_i = LLVMBuildBitCast(b, y2_9, v4si, "y2_i");
|
||||
LLVMValueRef y_i = LLVMBuildBitCast(b, y_10, v4si, "y_i");
|
||||
LLVMValueRef y2_i = LLVMBuildBitCast(b, y2_9, bld->int_vec_type, "y2_i");
|
||||
LLVMValueRef y_i = LLVMBuildBitCast(b, y_10, bld->int_vec_type, "y_i");
|
||||
LLVMValueRef y2_and = LLVMBuildAnd(b, y2_i, poly_mask, "y2_and");
|
||||
LLVMValueRef poly_mask_inv = LLVMBuildXor(b, poly_mask, inv, "poly_mask_inv");
|
||||
LLVMValueRef y_and = LLVMBuildAnd(b, y_i, poly_mask_inv, "y_and");
|
||||
|
|
@ -2114,7 +2093,7 @@ lp_build_cos(struct lp_build_context *bld,
|
|||
* y = _mm_xor_ps(y, sign_bit);
|
||||
*/
|
||||
LLVMValueRef y_sign = LLVMBuildXor(b, y_combine, sign_bit, "y_sin");
|
||||
LLVMValueRef y_result = LLVMBuildBitCast(b, y_sign, v4sf, "y_result");
|
||||
LLVMValueRef y_result = LLVMBuildBitCast(b, y_sign, bld->vec_type, "y_result");
|
||||
return y_result;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue