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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>
This commit is contained in:
Rhys Perry 2018-12-06 14:22:17 +00:00
parent 6790b3a8db
commit 4261edc067
1 changed files with 1 additions and 1 deletions
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2
src/amd/common/ac_llvm_build.c
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@ -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, "");