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authorRafael Espindola <rafael.espindola@gmail.com>2011-01-02 03:59:13 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2011-01-02 03:59:13 +0000
commit33a53440eb025dc511b7dcb27dea8029cc28b34f (patch)
treea3b36e174982d23ce66c28bda38e52a8a4edc1c6 /lib/CodeGen/CGStmt.cpp
parentbaf86955a9a390f2643a1ea9806832eb4a92f716 (diff)
Add support for passing variables declared to use a xmm register to asm
statements using the "x" constraint. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122679 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGStmt.cpp')
-rw-r--r--lib/CodeGen/CGStmt.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 8ccd2893b8..b86cdf861e 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -938,7 +938,8 @@ AddVariableConstraints(const std::string &Constraint, const Expr &AsmExpr,
return Constraint;
llvm::StringRef Register = Attr->getLabel();
assert(Target.isValidGCCRegisterName(Register));
- if (Constraint != "r") {
+ // FIXME: We should check which registers are compatible with "r" or "x".
+ if (Constraint != "r" && Constraint != "x") {
CGM.ErrorUnsupported(&Stmt, "__asm__");
return Constraint;
}