diff options
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c index 1cfaf78853f..8caaf83c792 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c @@ -763,6 +763,64 @@ umul_emit( emit_data->args[0], emit_data->args[1]); } +/* TGSI_OPCODE_IMUL_HI */ +static void +imul_hi_emit( + const struct lp_build_tgsi_action * action, + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + LLVMBuilderRef builder = bld_base->base.gallivm->builder; + struct lp_build_context *int_bld = &bld_base->int_bld; + struct lp_type type = int_bld->type; + LLVMValueRef src0, src1; + LLVMValueRef dst64; + LLVMTypeRef typeRef; + + assert(type.width == 32); + type.width = 64; + typeRef = lp_build_vec_type(bld_base->base.gallivm, type); + src0 = LLVMBuildSExt(builder, emit_data->args[0], typeRef, ""); + src1 = LLVMBuildSExt(builder, emit_data->args[1], typeRef, ""); + dst64 = LLVMBuildMul(builder, src0, src1, ""); + dst64 = LLVMBuildAShr( + builder, dst64, + lp_build_const_vec(bld_base->base.gallivm, type, 32), ""); + type.width = 32; + typeRef = lp_build_vec_type(bld_base->base.gallivm, type); + emit_data->output[emit_data->chan] = + LLVMBuildTrunc(builder, dst64, typeRef, ""); +} + +/* TGSI_OPCODE_UMUL_HI */ +static void +umul_hi_emit( + const struct lp_build_tgsi_action * action, + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + LLVMBuilderRef builder = bld_base->base.gallivm->builder; + struct lp_build_context *uint_bld = &bld_base->uint_bld; + struct lp_type type = uint_bld->type; + LLVMValueRef src0, src1; + LLVMValueRef dst64; + LLVMTypeRef typeRef; + + assert(type.width == 32); + type.width = 64; + typeRef = lp_build_vec_type(bld_base->base.gallivm, type); + src0 = LLVMBuildZExt(builder, emit_data->args[0], typeRef, ""); + src1 = LLVMBuildZExt(builder, emit_data->args[1], typeRef, ""); + dst64 = LLVMBuildMul(builder, src0, src1, ""); + dst64 = LLVMBuildLShr( + builder, dst64, + lp_build_const_vec(bld_base->base.gallivm, type, 32), ""); + type.width = 32; + typeRef = lp_build_vec_type(bld_base->base.gallivm, type); + emit_data->output[emit_data->chan] = + LLVMBuildTrunc(builder, dst64, typeRef, ""); +} + /* TGSI_OPCODE_MAX */ static void fmax_emit( const struct lp_build_tgsi_action * action, @@ -894,6 +952,8 @@ lp_set_default_actions(struct lp_build_tgsi_context * bld_base) bld_base->op_actions[TGSI_OPCODE_U2F].emit = u2f_emit; bld_base->op_actions[TGSI_OPCODE_UMAD].emit = umad_emit; bld_base->op_actions[TGSI_OPCODE_UMUL].emit = umul_emit; + bld_base->op_actions[TGSI_OPCODE_IMUL_HI].emit = imul_hi_emit; + bld_base->op_actions[TGSI_OPCODE_UMUL_HI].emit = umul_hi_emit; bld_base->op_actions[TGSI_OPCODE_MAX].emit = fmax_emit; bld_base->op_actions[TGSI_OPCODE_MIN].emit = fmin_emit; |