Module: Mesa
Branch: master
Commit: 6ecef25545c2a7578588c337e84b2f8779eb3478
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6ecef25545c2a7578588c337e84b2f8779eb3478

Author: Nicolai Hähnle <[email protected]>
Date:   Sun Jun 25 12:57:02 2017 +0200

ac/nir: implement nir_op_f2b

Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

---

 src/amd/common/ac_nir_to_llvm.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 8c781f2a79..aec5d39e53 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1287,6 +1287,15 @@ static LLVMValueRef emit_b2f(struct nir_to_llvm_context 
*ctx,
        return LLVMBuildAnd(ctx->builder, src0, LLVMBuildBitCast(ctx->builder, 
LLVMConstReal(ctx->f32, 1.0), ctx->i32, ""), "");
 }
 
+static LLVMValueRef emit_f2b(struct ac_llvm_context *ctx,
+                            LLVMValueRef src0)
+{
+       src0 = to_float(ctx, src0);
+       return LLVMBuildSExt(ctx->builder,
+                            LLVMBuildFCmp(ctx->builder, LLVMRealUNE, src0, 
ctx->f32_0, ""),
+                            ctx->i32, "");
+}
+
 static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx,
                             LLVMValueRef src0)
 {
@@ -1822,6 +1831,9 @@ static void visit_alu(struct nir_to_llvm_context *ctx, 
const nir_alu_instr *inst
        case nir_op_b2f:
                result = emit_b2f(ctx, src[0]);
                break;
+       case nir_op_f2b:
+               result = emit_f2b(&ctx->ac, src[0]);
+               break;
        case nir_op_b2i:
                result = emit_b2i(&ctx->ac, src[0]);
                break;

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