From: Marek Olšák <marek.olsak@amd.com>
Date: Thu, 23 Jul 2020 02:05:45 +0000 (-0400)
Subject: ac/llvm: remove dead code handling for fmod
X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=commitdiff_plain;h=bdf8ab8c8c943b2e31803561379e3a204a7bb2ba

ac/llvm: remove dead code handling for fmod

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6284>
---

diff --git a/src/amd/llvm/ac_nir_to_llvm.c b/src/amd/llvm/ac_nir_to_llvm.c
index 735c48884e6..9ad16fba8d3 100644
--- a/src/amd/llvm/ac_nir_to_llvm.c
+++ b/src/amd/llvm/ac_nir_to_llvm.c
@@ -701,17 +701,6 @@ 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;