diff options
| -rw-r--r-- | user/llvm6/APKBUILD | 4 | ||||
| -rw-r--r-- | user/llvm6/ppc32-calling-convention.patch | 69 |
2 files changed, 72 insertions, 1 deletions
diff --git a/user/llvm6/APKBUILD b/user/llvm6/APKBUILD index 4372ac72f..5f7b04fad 100644 --- a/user/llvm6/APKBUILD +++ b/user/llvm6/APKBUILD @@ -26,6 +26,7 @@ source="http://llvm.org/releases/$pkgver/llvm-$pkgver.src.tar.xz secure-plt.patch more-secure-plt.patch even-more-secure-plt.patch + ppc32-calling-convention.patch " builddir="$srcdir/$_pkgname-$pkgver.src" @@ -250,4 +251,5 @@ caeec8e4dbd92f5f74940780b69075f3879a267a8623822cbdc193fd14706eb089071e3a5a20d60c e5ddbc4b6c4928e79846dc3c022eb7928aaa8fed40515c78f5f03b8ab8264f34f1eb8aa8bfc0f436450932f4917e54ad261603032092ea271d9590f11a37cf1e musl-ppc64-elfv2.patch 35d289641fa4d200b5a3f62f1d51da600a734641356b0dc6c54a3080dd89aec3b031e36af8b53be49c35346c1cbcce00268de7ec9b4f552bfd7bf84d3504d1c4 secure-plt.patch 3d4a0a478bf800ea262c577451e22a1dbd5a4258226e49c66a697559263c8aa4fc0fff642a3c80ac3dfbb3efd6d9c0dbeb41dae1250fc7946de821cfef1ce1f0 more-secure-plt.patch -deb71762721ebc73bfdf23143b582f40c70eddcef3e337ed14499e8e336bee2906292d38d64fe98fa633430c1bcb66cf6a2e067258c8fbe6e931f99f6d10a6f7 even-more-secure-plt.patch" +deb71762721ebc73bfdf23143b582f40c70eddcef3e337ed14499e8e336bee2906292d38d64fe98fa633430c1bcb66cf6a2e067258c8fbe6e931f99f6d10a6f7 even-more-secure-plt.patch +c3f596a1578a07ce0ee40c4e2576fe05ca6ca0c1b4f94b1f74c55cb09603afe7c846db9294fe28d83ca48633086bad422218e6d06e0d92173143fb298e06fb38 ppc32-calling-convention.patch" diff --git a/user/llvm6/ppc32-calling-convention.patch b/user/llvm6/ppc32-calling-convention.patch new file mode 100644 index 000000000..2e6d66427 --- /dev/null +++ b/user/llvm6/ppc32-calling-convention.patch @@ -0,0 +1,69 @@ +Index: trunk/lib/Target/PowerPC/PPCISelLowering.cpp +=================================================================== +--- trunk/lib/Target/PowerPC/PPCISelLowering.cpp ++++ trunk/lib/Target/PowerPC/PPCISelLowering.cpp +@@ -3511,9 +3511,14 @@ + // Argument stored in memory. + assert(VA.isMemLoc()); + ++ // Get the extended size of the argument type in stack + unsigned ArgSize = VA.getLocVT().getStoreSize(); +- int FI = MFI.CreateFixedObject(ArgSize, VA.getLocMemOffset(), +- isImmutable); ++ // Get the actual size of the argument type ++ unsigned ObjSize = VA.getValVT().getStoreSize(); ++ unsigned ArgOffset = VA.getLocMemOffset(); ++ // Stack objects in PPC32 are right justified. ++ ArgOffset += ArgSize - ObjSize; ++ int FI = MFI.CreateFixedObject(ArgSize, ArgOffset, isImmutable); + + // Create load nodes to retrieve arguments from the stack. + SDValue FIN = DAG.getFrameIndex(FI, PtrVT); +@@ -5468,10 +5473,15 @@ + Arg = PtrOff; + } + +- if (VA.isRegLoc()) { +- if (Arg.getValueType() == MVT::i1) +- Arg = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::i32, Arg); ++ // When useCRBits() is true, there can be i1 arguments. ++ // It is because getRegisterType(MVT::i1) => MVT::i1, ++ // and for other integer types getRegisterType() => MVT::i32. ++ // Extend i1 and ensure callee will get i32. ++ if (Arg.getValueType() == MVT::i1) ++ Arg = DAG.getNode(Flags.isSExt() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, ++ dl, MVT::i32, Arg); + ++ if (VA.isRegLoc()) { + seenFloatArg |= VA.getLocVT().isFloatingPoint(); + // Put argument in a physical register. + RegsToPass.push_back(std::make_pair(VA.getLocReg(), Arg)); +Index: trunk/test/CodeGen/PowerPC/ppc32-i1-stack-arguments-abi-bug.ll +=================================================================== +--- trunk/test/CodeGen/PowerPC/ppc32-i1-stack-arguments-abi-bug.ll ++++ trunk/test/CodeGen/PowerPC/ppc32-i1-stack-arguments-abi-bug.ll +@@ -0,0 +1,24 @@ ++; RUN: llc -verify-machineinstrs < %s -mcpu=ppc32 -mattr=+crbits | FileCheck %s ++target triple = "powerpc-unknown-linux-gnu" ++ ++define void @check_callee( ++ i32, i32, i32, i32, ++ i32, i32, i32, i32, ++ i1 zeroext %s1 ++) { ++ call void @check_caller( ++ i32 9, i32 9, i32 9, i32 9, ++ i32 9, i32 9, i32 9, i32 9, ++ i1 zeroext %s1) ++ ret void ++} ++ ++; CHECK-LABEL: @check_callee ++; CHECK: lbz {{[0-9]+}}, 27(1) ++; CHECK: stw {{[0-9]+}}, 8(1) ++ ++declare void @check_caller( ++ i32, i32, i32, i32, ++ i32, i32, i32, i32, ++ i1 zeroext ++) |