callerSaveVolatileRegs: fix the Nothing case
authorSimon Marlow <simonmar@microsoft.com>
Fri, 3 Mar 2006 13:31:35 +0000 (13:31 +0000)
committerSimon Marlow <simonmar@microsoft.com>
Fri, 3 Mar 2006 13:31:35 +0000 (13:31 +0000)
commitdcab96f951d193fd577e25c10358501810db8a93
tree105d3369cf679a2ccfcaf9205f27b2f9635408a8
parent0fcf892d28f9d70770717352019bd6a98b3b4651
callerSaveVolatileRegs: fix the Nothing case
When the volatile regs attached to a CmmCall is Nothing, it means
"save everything", not "save nothing".
ghc/compiler/nativeGen/MachRegs.lhs