ac/nir: make ac_build_fdiv support 16-bit floats

v2: don't use ac_get_onef()

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index f033fde6da11933b73c87481c4b57229b6e4feaa..c6bc507358ec38c2aa798c7ea5784073ed8baac4 100644 (file)
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -620,7 +620,7 @@ ac_build_fdiv(struct ac_llvm_context *ctx,
         * If we do (num * (1 / den)), LLVM does:
         *    return num * v_rcp_f32(den);
         */
-       LLVMValueRef one = LLVMTypeOf(num) == ctx->f64 ? ctx->f64_1 : ctx->f32_1;
+       LLVMValueRef one = LLVMConstReal(LLVMTypeOf(num), 1.0);
        LLVMValueRef rcp = LLVMBuildFDiv(ctx->builder, one, den, "");
        LLVMValueRef ret = LLVMBuildFMul(ctx->builder, num, rcp, "");