[X86] Add clang support for X86 flag output parameters.
Summary: Add frontend support and expected flags for X86 inline assembly flag parameters. Reviewers: craig.topper, rnk, echristo Subscribers: eraman, nickdesaulniers, void, llvm-commits Differential Revision: https://reviews.llvm.org/D57394 llvm-svn: 354053
This commit is contained in:
Nirav Dave
parent
980fb790c1
commit
90868bb058
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@ -864,6 +864,9 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
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/// definitions for this particular subtarget.
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void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const {
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// Inline assembly supports X86 flag outputs.
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Builder.defineMacro("__GCC_ASM_FLAG_OUTPUTS__");
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std::string CodeModel = getTargetOpts().CodeModel;
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if (CodeModel == "default")
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CodeModel = "small";
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@ -1553,6 +1556,40 @@ bool X86TargetInfo::validateCpuIs(StringRef FeatureStr) const {
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.Default(false);
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}
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static unsigned matchAsmCCConstraint(const char *&Name) {
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auto RV = llvm::StringSwitch<unsigned>(Name)
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.Case("@cca", 4)
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.Case("@ccae", 5)
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.Case("@ccb", 4)
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.Case("@ccbe", 5)
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.Case("@ccc", 4)
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.Case("@cce", 4)
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.Case("@ccz", 4)
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.Case("@ccg", 4)
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.Case("@ccge", 5)
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.Case("@ccl", 4)
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.Case("@ccle", 5)
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.Case("@ccna", 5)
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.Case("@ccnae", 6)
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.Case("@ccnb", 5)
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.Case("@ccnbe", 6)
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.Case("@ccnc", 5)
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.Case("@ccne", 5)
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.Case("@ccnz", 5)
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.Case("@ccng", 5)
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.Case("@ccnge", 6)
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.Case("@ccnl", 5)
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.Case("@ccnle", 6)
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.Case("@ccno", 5)
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.Case("@ccnp", 5)
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.Case("@ccns", 5)
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.Case("@cco", 4)
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.Case("@ccp", 4)
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.Case("@ccs", 4)
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.Default(0);
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return RV;
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}
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bool X86TargetInfo::validateAsmConstraint(
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const char *&Name, TargetInfo::ConstraintInfo &Info) const {
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switch (*Name) {
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@ -1635,6 +1672,14 @@ bool X86TargetInfo::validateAsmConstraint(
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case 'C': // SSE floating point constant.
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case 'G': // x87 floating point constant.
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return true;
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case '@':
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// CC condition changes.
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if (auto Len = matchAsmCCConstraint(Name)) {
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Name += Len - 1;
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Info.setAllowsRegister();
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return true;
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}
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return false;
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}
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}
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@ -1706,6 +1751,13 @@ bool X86TargetInfo::validateOperandSize(StringRef Constraint,
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std::string X86TargetInfo::convertConstraint(const char *&Constraint) const {
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switch (*Constraint) {
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case '@':
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if (auto Len = matchAsmCCConstraint(Constraint)) {
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std::string Converted = "{" + std::string(Constraint, Len) + "}";
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Constraint += Len - 1;
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return Converted;
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}
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return std::string(1, *Constraint);
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case 'a':
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return std::string("{ax}");
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case 'b':
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@ -0,0 +1,365 @@
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// RUN: %clang_cc1 -O2 -emit-llvm %s -o - -triple x86_64-unknown-linux-gnu | FileCheck %s
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int test_cca(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_cca
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@cca},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@cca"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccae(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccae
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccae},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccae"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccb(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccb
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccb},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccb"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccbe(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccbe
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//CHECK: tail call i32 asm "cmp $2,$1", "={@ccbe},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccbe"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccc(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccc
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccc},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccc"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_cce(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_cce
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@cce},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@cce"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccz(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccz
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccz},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccz"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccg(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccg
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccg},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccg"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccge(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccge
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccge},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccge"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccl(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccl
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccl},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccl"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccle(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccle
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccle},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccle"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccna(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccna
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccna},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccna"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnae(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnae
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnae},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnae"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnb(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnb
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnb},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnb"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnbe(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnbe
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnbe},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnbe"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnc(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnc
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnc},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnc"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccne(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccne
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccne},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccne"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnz(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnz
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnz},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnz"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccng(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccng
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccng},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccng"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnge(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnge
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnge},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnge"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnl(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnl
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnl},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnl"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnle(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnle
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnle},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnle"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccno(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccno
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccno},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccno"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccnp(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccnp
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccnp},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccnp"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_ccns(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_ccns
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccns},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@ccns"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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}
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int test_cco(long nr, volatile long *addr) {
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//CHECK-LABEL: @test_cco
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//CHECK: = tail call i32 asm "cmp $2,$1", "={@cco},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
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int x;
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asm("cmp %2,%1"
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: "=@cco"(x), "=m"(*(volatile long *)(addr))
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: "r"(nr)
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: "cc");
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if (x)
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return 0;
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return 1;
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||||
}
|
||||
|
||||
int test_ccp(long nr, volatile long *addr) {
|
||||
//CHECK-LABEL: @test_ccp
|
||||
//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccp},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
|
||||
int x;
|
||||
asm("cmp %2,%1"
|
||||
: "=@ccp"(x), "=m"(*(volatile long *)(addr))
|
||||
: "r"(nr)
|
||||
: "cc");
|
||||
if (x)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int test_ccs(long nr, volatile long *addr) {
|
||||
//CHECK-LABEL: @test_ccs
|
||||
//CHECK: = tail call i32 asm "cmp $2,$1", "={@ccs},=*m,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %addr, i64 %nr)
|
||||
int x;
|
||||
asm("cmp %2,%1"
|
||||
: "=@ccs"(x), "=m"(*(volatile long *)(addr))
|
||||
: "r"(nr)
|
||||
: "cc");
|
||||
if (x)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -2,6 +2,8 @@
|
|||
//
|
||||
// RUN: %clang_cc1 %s -x c++ -E -dM -triple x86_64-pc-win32 -fms-extensions -fms-compatibility \
|
||||
// RUN: -fms-compatibility-version=19.00 -std=c++14 -o - | FileCheck -match-full-lines %s --check-prefix=CHECK-MS64
|
||||
// RUN: %clang_cc1 %s -x c++ -E -dM -triple x86_64-pc-win32 -fms-extensions -fms-compatibility \
|
||||
// RUN: -fms-compatibility-version=19.00 -std=c++14 -o - | grep GCC | count 1
|
||||
// CHECK-MS64: #define _INTEGRAL_MAX_BITS 64
|
||||
// CHECK-MS64: #define _MSC_EXTENSIONS 1
|
||||
// CHECK-MS64: #define _MSC_VER 1900
|
||||
|
|
@ -10,12 +12,16 @@
|
|||
// CHECK-MS64: #define _M_X64 100
|
||||
// CHECK-MS64: #define _WIN64 1
|
||||
// CHECK-MS64-NOT: #define __STRICT_ANSI__
|
||||
// CHECK-MS64-NOT: GCC
|
||||
// CHECK-MS64-NOT: GNU
|
||||
// CHECK-MS64-NOT: GXX
|
||||
// CHECK-MS64: #define __GCC_ASM_FLAG_OUTPUTS__ 1
|
||||
// CHECK-MS64-NOT: GNU
|
||||
// CHECK-MS64-NOT: GXX
|
||||
|
||||
// RUN: %clang_cc1 %s -x c++ -E -dM -triple i686-pc-win32 -fms-extensions -fms-compatibility \
|
||||
// RUN: -fms-compatibility-version=19.00 -std=c++17 -o - | FileCheck -match-full-lines %s --check-prefix=CHECK-MS
|
||||
// RUN: %clang_cc1 %s -x c++ -E -dM -triple i686-pc-win32 -fms-extensions -fms-compatibility \
|
||||
// RUN: -fms-compatibility-version=19.00 -std=c++17 -o - | grep GCC | count 1
|
||||
// CHECK-MS: #define _INTEGRAL_MAX_BITS 64
|
||||
// CHECK-MS: #define _MSC_EXTENSIONS 1
|
||||
// CHECK-MS: #define _MSC_VER 1900
|
||||
|
|
@ -24,7 +30,9 @@
|
|||
// CHECK-MS: #define _M_IX86_FP 0
|
||||
// CHECK-MS: #define _WIN32 1
|
||||
// CHECK-MS-NOT: #define __STRICT_ANSI__
|
||||
// CHECK-MS-NOT: GCC
|
||||
// CHECK-MS-NOT: GNU
|
||||
// CHECK-MS-NOT: GXX
|
||||
// CHECK-MS: #define __GCC_ASM_FLAG_OUTPUTS__ 1
|
||||
// CHECK-MS-NOT: GNU
|
||||
// CHECK-MS-NOT: GXX
|
||||
|
||||
|
|
@ -107,4 +115,3 @@
|
|||
// CHECK-ARM64-MINGW: #define _WIN32 1
|
||||
// CHECK-ARM64-MINGW: #define _WIN64 1
|
||||
// CHECK-ARM64-MINGW: #define __aarch64__ 1
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,4 @@
|
|||
// RUN: %clang -target i386-unknown-unknown -x c -E -dM -o - %s | FileCheck -match-full-lines %s
|
||||
// RUN: %clang -target x86_64-unknown-unknown -x c -E -dM -o - %s | FileCheck -match-full-lines %s
|
||||
|
||||
// CHECK: #define __GCC_ASM_FLAG_OUTPUTS__ 1
|
||||
Loading…
Reference in New Issue