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authorJosé Fonseca <[email protected]>2010-07-26 12:16:45 +0100
committerJosé Fonseca <[email protected]>2010-07-29 19:11:06 +0100
commit111902f2c47377f7d7ea41af6a2a29a087350f17 (patch)
tree61632ad345ed42e77370821df5e597b35bb2212e /src/gallium/auxiliary
parente3d2ebac115f7b7899664fefc2652fb829acfa27 (diff)
draw: Also emit EMMS on generated LLVM IR.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/draw/draw_llvm.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 19f96c37ab4..48489e5f6f1 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -37,6 +37,7 @@
#include "gallivm/lp_bld_debug.h"
#include "gallivm/lp_bld_tgsi.h"
#include "gallivm/lp_bld_printf.h"
+#include "gallivm/lp_bld_intr.h"
#include "tgsi/tgsi_exec.h"
#include "tgsi/tgsi_dump.h"
@@ -793,6 +794,11 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
sampler->destroy(sampler);
+#ifdef PIPE_ARCH_X86
+ /* Avoid corrupting the FPU stack on 32bit OSes. */
+ lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0);
+#endif
+
LLVMBuildRetVoid(builder);
LLVMDisposeBuilder(builder);
@@ -963,6 +969,11 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
sampler->destroy(sampler);
+#ifdef PIPE_ARCH_X86
+ /* Avoid corrupting the FPU stack on 32bit OSes. */
+ lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0);
+#endif
+
LLVMBuildRetVoid(builder);
LLVMDisposeBuilder(builder);