diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/PPCFrameLowering.h | 3 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.cpp | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCFrameLowering.h b/lib/Target/PowerPC/PPCFrameLowering.h index 3517d8c086..b1d63ab537 100644 --- a/lib/Target/PowerPC/PPCFrameLowering.h +++ b/lib/Target/PowerPC/PPCFrameLowering.h @@ -27,7 +27,8 @@ class PPCFrameLowering: public TargetFrameLowering { public: PPCFrameLowering(const PPCSubtarget &sti) - : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 16, 0), + : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, + (sti.hasQPX() || sti.isBGQ()) ? 32 : 16, 0), Subtarget(sti) { } diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp index 91beeaee68..18e4c07942 100644 --- a/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/lib/Target/PowerPC/PPCSubtarget.cpp @@ -83,6 +83,12 @@ PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &CPU, // Set up darwin-specific properties. if (isDarwin()) HasLazyResolverStubs = true; + + // QPX requires a 32-byte aligned stack. Note that we need to do this if + // we're compiling for a BG/Q system regardless of whether or not QPX + // is enabled because external functions will assume this alignment. + if (hasQPX() || isBGQ()) + StackAlignment = 32; } /// SetJITMode - This is called to inform the subtarget info that we are |