diff options
Diffstat (limited to 'lib/Basic/Targets.cpp')
| -rw-r--r-- | lib/Basic/Targets.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 367d562f4a..8660f2b015 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -485,12 +485,16 @@ public: // asm ("st %1,%0" : "=m" (mem) : "r" (val)); // is not. Use es rather than m if you don't want the base // register to be updated. - case 'es':// A “stable” memory operand; that is, one which does not + case 'e': + if (Name[1] != 's') + return false; + // es: A “stable” memory operand; that is, one which does not // include any automodification of the base register. Unlike // `m', this constraint can be used in asm statements that // might access the operand several times, or that might not - // access it at all. + // access it at all. Info.setAllowsMemory(); + Name++; // Skip over 'e'. break; case 'Q': // Memory operand that is an offset from a register (it is // usually better to use `m' or `es' in asm statements) |