Module: Mesa
Branch: master
Commit: b7fc082b2876864ac3088aa9d25930fe8b81c372
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b7fc082b2876864ac3088aa9d25930fe8b81c372
Author: Marek Olšák <marek.ol...@amd.com>
Date: Tue Oct 8 00:08:19 2019 -0400
ac/nir: add back nir_op_fmod
radeonsi doesn't lower it for doubles.
This partially reverts commit d861401554b52b2c2fc6721c69bdfe1697ee608f.
Reviewed-by: Timothy Arceri <tarc...@itsqueeze.com>
Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/amd/llvm/ac_nir_to_llvm.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/amd/llvm/ac_nir_to_llvm.c b/src/amd/llvm/ac_nir_to_llvm.c
index 41b71cd63a5..b08483e5cf4 100644
--- a/src/amd/llvm/ac_nir_to_llvm.c
+++ b/src/amd/llvm/ac_nir_to_llvm.c
@@ -548,6 +548,17 @@ static void visit_alu(struct ac_nir_context *ctx, const
nir_alu_instr *instr)
case nir_op_umod:
result = LLVMBuildURem(ctx->ac.builder, src[0], src[1], "");
break;
+ case nir_op_fmod:
+ /* lower_fmod only lower 16-bit and 32-bit fmod */
+ assert(instr->dest.dest.ssa.bit_size == 64);
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ src[1] = ac_to_float(&ctx->ac, src[1]);
+ result = ac_build_fdiv(&ctx->ac, src[0], src[1]);
+ result = emit_intrin_1f_param(&ctx->ac, "llvm.floor",
+ ac_to_float_type(&ctx->ac,
def_type), result);
+ result = LLVMBuildFMul(ctx->ac.builder, src[1] , result, "");
+ result = LLVMBuildFSub(ctx->ac.builder, src[0], result, "");
+ break;
case nir_op_irem:
result = LLVMBuildSRem(ctx->ac.builder, src[0], src[1], "");
break;
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