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gallivm: Have a default emit function for min/max opcode

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Reveiwed-by: Tom Stellard <thomas.stellard at amd.com>
This commit is contained in:
Vincent Lejeune
2012-11-29 23:43:31 +01:00
parent 2a03f28e54
commit 2d97f77b9f
1 changed files with 29 additions and 0 deletions
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29
src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
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@@ -744,6 +744,32 @@ umul_emit(
emit_data->args[0], emit_data->args[1]);
}
/* TGSI_OPCODE_MAX */
static void fmax_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;
emit_data->output[emit_data->chan] = LLVMBuildSelect(builder,
LLVMBuildFCmp(builder, LLVMRealUGE,
emit_data->args[0], emit_data->args[1], ""),
emit_data->args[0], emit_data->args[1], "");
}
/* TGSI_OPCODE_MIN */
static void fmin_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;
emit_data->output[emit_data->chan] = LLVMBuildSelect(builder,
LLVMBuildFCmp(builder, LLVMRealUGE,
emit_data->args[0], emit_data->args[1], ""),
emit_data->args[1], emit_data->args[0], "");
}
/* TGSI_OPCODE_XPD */
static void
@@ -844,6 +870,9 @@ 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_MAX].emit = fmax_emit;
bld_base->op_actions[TGSI_OPCODE_MIN].emit = fmin_emit;
}
/* CPU Only default actions */