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[MIPS] Add -mxgot/-mno-xgot command line options 

to enable/disable support of GOT larger than 64k.

llvm-svn: 169098
This commit is contained in:
Simon Atanasyan 2012-12-01 18:27:21 +00:00
parent cfe5aedd5a
commit 2eaec51f66
3 changed files with 21 additions and 0 deletions
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2
clang/include/clang/Driver/Options.td
View File

@ -875,6 +875,8 @@ def mf16c : Flag<["-"], "mf16c">, Group<m_x86_Features_Group>;
def mrtm : Flag<["-"], "mrtm">, Group<m_x86_Features_Group>;
def mips16 : Flag<["-"], "mips16">, Group<m_Group>;
def mno_mips16 : Flag<["-"], "mno-mips16">, Group<m_Group>;
def mxgot : Flag<["-"], "mxgot">, Group<m_Group>;
def mno_xgot : Flag<["-"], "mno-xgot">, Group<m_Group>;
def mdsp : Flag<["-"], "mdsp">, Group<m_Group>;
def mno_dsp : Flag<["-"], "mno-dsp">, Group<m_Group>;
def mdspr2 : Flag<["-"], "mdspr2">, Group<m_Group>;

7
clang/lib/Driver/Tools.cpp
View File

@ -990,6 +990,13 @@ void Clang::AddMIPSTargetArgs(const ArgList &Args,
options::OPT_mdspr2, options::OPT_mno_dspr2,
"dspr2");
if (Arg *A = Args.getLastArg(options::OPT_mxgot, options::OPT_mno_xgot)) {
if (A->getOption().matches(options::OPT_mxgot)) {
CmdArgs.push_back("-mllvm");
CmdArgs.push_back("-mxgot");
}
}
if (Arg *A = Args.getLastArg(options::OPT_G)) {
StringRef v = A->getValue();
CmdArgs.push_back("-mllvm");

12
clang/test/Driver/mips-features.c
View File

@ -38,6 +38,18 @@
// RUN: | FileCheck --check-prefix=CHECK-NOMDSPR2 %s
// CHECK-NOMDSPR2: "-target-feature" "-dspr2"
//
// -mxgot
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -mno-xgot -mxgot 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-XGOT %s
// CHECK-XGOT: "-mllvm" "-mxgot"
//
// -mno-xgot
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -mxgot -mno-xgot 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-NOXGOT %s
// CHECK-NOXGOT-NOT: "-mllvm" "-mxgot"
//
// -G
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -G 16 2>&1 \