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| author | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2014-01-31 01:53:08 +0000 |
|---|---|---|
| committer | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2014-01-31 01:53:08 +0000 |
| commit | 9026e07000b4061e69f987bcbbecffe72d245b9f (patch) | |
| tree | f6bcd781be99e7608bec136ff0b404ca4f20ab3e /lib | |
| parent | 05324ab01567f5b7a90f587ec36f54c1bef53c99 (diff) | |
| download | llvm-9026e07000b4061e69f987bcbbecffe72d245b9f.tar.gz llvm-9026e07000b4061e69f987bcbbecffe72d245b9f.tar.bz2 llvm-9026e07000b4061e69f987bcbbecffe72d245b9f.tar.xz | |
[Sparc] Save and restore float registers that may be used for parameter passing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200509 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Sparc/SparcJITInfo.cpp | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/lib/Target/Sparc/SparcJITInfo.cpp b/lib/Target/Sparc/SparcJITInfo.cpp index ec47a39208..959d12f712 100644 --- a/lib/Target/Sparc/SparcJITInfo.cpp +++ b/lib/Target/Sparc/SparcJITInfo.cpp @@ -28,17 +28,59 @@ 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" "\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" |