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-rw-r--r--contrib/llvm/patches/patch-r262261-llvm-r200509-sparc.diff73
1 files changed, 73 insertions, 0 deletions
diff --git a/contrib/llvm/patches/patch-r262261-llvm-r200509-sparc.diff b/contrib/llvm/patches/patch-r262261-llvm-r200509-sparc.diff
new file mode 100644
index 0000000..9ada6aa
--- /dev/null
+++ b/contrib/llvm/patches/patch-r262261-llvm-r200509-sparc.diff
@@ -0,0 +1,73 @@
+Pull in r200509 from upstream llvm trunk (by Venkatraman Govindaraju):
+
+ [Sparc] Save and restore float registers that may be used for parameter passing.
+
+Introduced here: http://svn.freebsd.org/changeset/base/262261
+
+Index: lib/Target/Sparc/SparcJITInfo.cpp
+===================================================================
+--- lib/Target/Sparc/SparcJITInfo.cpp
++++ lib/Target/Sparc/SparcJITInfo.cpp
+@@ -28,6 +28,13 @@ extern "C" void SparcCompilationCallback();
+
+ extern "C" {
+ #if defined (__sparc__)
++
++#if defined(__arch64__)
++#define FRAME_PTR(X) #X "+2047"
++#else
++#define FRAME_PTR(X) #X
++#endif
++
+ asm(
+ ".text\n"
+ "\t.align 4\n"
+@@ -34,11 +41,46 @@ extern "C" {
+ "\t.global SparcCompilationCallback\n"
+ "\t.type SparcCompilationCallback, #function\n"
+ "SparcCompilationCallback:\n"
+- // Save current register window.
+- "\tsave %sp, -192, %sp\n"
++ // Save current register window and create stack.
++ // 128 (save area) + 6*8 (for arguments) + 16*8 (for float regfile) = 304
++ "\tsave %sp, -304, %sp\n"
++ // save float regfile to the stack.
++ "\tstd %f0, [" FRAME_PTR(%fp) "-0]\n"
++ "\tstd %f2, [" FRAME_PTR(%fp) "-8]\n"
++ "\tstd %f4, [" FRAME_PTR(%fp) "-16]\n"
++ "\tstd %f6, [" FRAME_PTR(%fp) "-24]\n"
++ "\tstd %f8, [" FRAME_PTR(%fp) "-32]\n"
++ "\tstd %f10, [" FRAME_PTR(%fp) "-40]\n"
++ "\tstd %f12, [" FRAME_PTR(%fp) "-48]\n"
++ "\tstd %f14, [" FRAME_PTR(%fp) "-56]\n"
++ "\tstd %f16, [" FRAME_PTR(%fp) "-64]\n"
++ "\tstd %f18, [" FRAME_PTR(%fp) "-72]\n"
++ "\tstd %f20, [" FRAME_PTR(%fp) "-80]\n"
++ "\tstd %f22, [" FRAME_PTR(%fp) "-88]\n"
++ "\tstd %f24, [" FRAME_PTR(%fp) "-96]\n"
++ "\tstd %f26, [" FRAME_PTR(%fp) "-104]\n"
++ "\tstd %f28, [" FRAME_PTR(%fp) "-112]\n"
++ "\tstd %f30, [" FRAME_PTR(%fp) "-120]\n"
+ // stubaddr is in %g1.
+ "\tcall SparcCompilationCallbackC\n"
+ "\t mov %g1, %o0\n"
++ // restore float regfile from the stack.
++ "\tldd [" FRAME_PTR(%fp) "-0], %f0\n"
++ "\tldd [" FRAME_PTR(%fp) "-8], %f2\n"
++ "\tldd [" FRAME_PTR(%fp) "-16], %f4\n"
++ "\tldd [" FRAME_PTR(%fp) "-24], %f6\n"
++ "\tldd [" FRAME_PTR(%fp) "-32], %f8\n"
++ "\tldd [" FRAME_PTR(%fp) "-40], %f10\n"
++ "\tldd [" FRAME_PTR(%fp) "-48], %f12\n"
++ "\tldd [" FRAME_PTR(%fp) "-56], %f14\n"
++ "\tldd [" FRAME_PTR(%fp) "-64], %f16\n"
++ "\tldd [" FRAME_PTR(%fp) "-72], %f18\n"
++ "\tldd [" FRAME_PTR(%fp) "-80], %f20\n"
++ "\tldd [" FRAME_PTR(%fp) "-88], %f22\n"
++ "\tldd [" FRAME_PTR(%fp) "-96], %f24\n"
++ "\tldd [" FRAME_PTR(%fp) "-104], %f26\n"
++ "\tldd [" FRAME_PTR(%fp) "-112], %f28\n"
++ "\tldd [" FRAME_PTR(%fp) "-120], %f30\n"
+ // restore original register window and
+ // copy %o0 to %g1
+ "\trestore %o0, 0, %g1\n"
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