From: Dave Airlie <airlied@redhat.com>
Date: Wed, 9 Dec 2015 07:02:01 +0000 (+1000)
Subject: radeonsi: handle doubles in lds load path.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8c9e40ac22ce5a60753172a8f95a120d84a3ec4c;p=mesa.git

radeonsi: handle doubles in lds load path.

This handles loading doubles from LDS properly.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: "11.0 11.1" <mesa-stable@lists.fedoraproject.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 14f12dfb821..e2cf27dcce9 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -594,6 +594,14 @@ static LLVMValueRef lds_load(struct lp_build_tgsi_context *bld_base,
 			    lp_build_const_int32(gallivm, swizzle));
 
 	value = build_indexed_load(si_shader_ctx, si_shader_ctx->lds, dw_addr);
+	if (type == TGSI_TYPE_DOUBLE) {
+		LLVMValueRef value2;
+		dw_addr = lp_build_add(&bld_base->uint_bld, dw_addr,
+				       lp_build_const_int32(gallivm, swizzle + 1));
+		value2 = build_indexed_load(si_shader_ctx, si_shader_ctx->lds, dw_addr);
+		return radeon_llvm_emit_fetch_double(bld_base, value, value2);
+	}
+
 	return LLVMBuildBitCast(gallivm->builder, value,
 				tgsi2llvmtype(bld_base, type), "");
 }