From: Rhys Perry <pendingchaos02@gmail.com>
Date: Thu, 6 Dec 2018 14:22:17 +0000 (+0000)
Subject: ac/nir: make ac_build_fdiv support 16-bit floats
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4261edc067949b1b75b1fbdb05353e1dc9967be6;p=mesa.git

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 f033fde6da1..c6bc507358e 100644
--- 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, "");