Mesa (master): radeonsi: Bitcast result of packf16 intrinsic to float for export intrinsic.

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: 8b6aec6533cc1fc09e27757aefa8ad3dbd662684
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8b6aec6533cc1fc09e27757aefa8ad3dbd662684

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Tue Nov 27 19:53:58 2012 +0100

radeonsi: Bitcast result of packf16 intrinsic to float for export intrinsic.

Fixes 7 piglit tests, and prevents many more from crashing.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
Reviewed-and-Tested-by: Christian König <christian.koenig at amd.com>

---

 src/gallium/drivers/radeonsi/radeonsi_shader.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index d6e37ac..d5d56c4 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -496,7 +496,11 @@ static void si_llvm_init_export_args(struct lp_build_tgsi_context *bld_base,
 						LLVMInt32TypeInContext(base->gallivm->context),
 						args, 2,
 						LLVMReadNoneAttribute);
-			args[chan + 7] = args[chan + 5];
+			args[chan + 7] = args[chan + 5] =
+				LLVMBuildBitCast(base->gallivm->builder,
+						 args[chan + 5],
+						 LLVMFloatTypeInContext(base->gallivm->context),
+						 "");
 		}
 
 		/* Set COMPR flag */