From: Nicolai Hähnle <[email protected]>
Booleans in NIR are ~0 for true, b2i returns 0/1.
---
src/amd/common/ac_nir_to_llvm.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index e3d1529..0a5f1b3 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1300,20 +1300,34 @@ static LLVMValueRef emit_uint_carry(struct
ac_llvm_context *ctx,
res = LLVMBuildZExt(ctx->builder, res, ctx->i32, "");
return res;
}
static LLVMValueRef emit_b2f(struct ac_llvm_context *ctx,
LLVMValueRef src0)
{
return LLVMBuildAnd(ctx->builder, src0, LLVMBuildBitCast(ctx->builder,
LLVMConstReal(ctx->f32, 1.0), ctx->i32, ""), "");
}
+static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx,
+ LLVMValueRef src0)
+{
+ return LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
+}
+
+static LLVMValueRef emit_i2b(struct ac_llvm_context *ctx,
+ LLVMValueRef src0)
+{
+ return LLVMBuildSExt(ctx->builder,
+ LLVMBuildICmp(ctx->builder, LLVMIntNE, src0,
ctx->i32_0, ""),
+ ctx->i32, "");
+}
+
static LLVMValueRef emit_f2f16(struct nir_to_llvm_context *ctx,
LLVMValueRef src0)
{
LLVMValueRef result;
LLVMValueRef cond;
src0 = to_float(&ctx->ac, src0);
result = LLVMBuildFPTrunc(ctx->builder, src0, ctx->f16, "");
/* TODO SI/CIK options here */
@@ -1822,20 +1836,26 @@ static void visit_alu(struct ac_nir_context *ctx, const
nir_alu_instr *instr)
break;
case nir_op_uadd_carry:
result = emit_uint_carry(&ctx->ac,
"llvm.uadd.with.overflow.i32", src[0], src[1]);
break;
case nir_op_usub_borrow:
result = emit_uint_carry(&ctx->ac,
"llvm.usub.with.overflow.i32", src[0], src[1]);
break;
case nir_op_b2f:
result = emit_b2f(&ctx->ac, src[0]);
break;
+ case nir_op_b2i:
+ result = emit_b2i(&ctx->ac, src[0]);
+ break;
+ case nir_op_i2b:
+ result = emit_i2b(&ctx->ac, src[0]);
+ break;
case nir_op_fquantize2f16:
result = emit_f2f16(ctx->nctx, src[0]);
break;
case nir_op_umul_high:
result = emit_umul_high(&ctx->ac, src[0], src[1]);
break;
case nir_op_imul_high:
result = emit_imul_high(&ctx->ac, src[0], src[1]);
break;
case nir_op_pack_half_2x16:
--
2.9.3
_______________________________________________
mesa-dev mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
