[Mesa-dev] [PATCH 37/38] ac/nir: have nir_op_f2f16 round to zero
Rhys Perry
pendingchaos02 at gmail.com
Fri Dec 7 17:22:30 UTC 2018
In the hope that one day LLVM will then be able to generate code with
vectorized v_cvt_pkrtz_f16_f32 instructions.
Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
---
src/amd/common/ac_nir_to_llvm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 92b773981b..88b26e019f 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -884,6 +884,7 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = LLVMBuildUIToFP(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
break;
case nir_op_f2f16_rtz:
+ case nir_op_f2f16:
src[0] = ac_to_float(&ctx->ac, src[0]);
if (LLVMTypeOf(src[0]) == ctx->ac.f64)
src[0] = LLVMBuildFPTrunc(ctx->ac.builder, src[0], ctx->ac.f32, "");
@@ -894,7 +895,6 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = LLVMBuildTrunc(ctx->ac.builder, result, ctx->ac.i16, "");
break;
case nir_op_f2f16_rtne:
- case nir_op_f2f16:
case nir_op_f2f32:
case nir_op_f2f64:
src[0] = ac_to_float(&ctx->ac, src[0]);
--
2.19.2
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