diff options
| author | Erik Verbruggen <erik.verbruggen@digia.com> | 2014-08-12 14:30:42 +0200 |
|---|---|---|
| committer | Erik Verbruggen <erik.verbruggen@digia.com> | 2014-08-14 15:27:55 +0200 |
| commit | a503efe0df31742bac7d5af6ed4a53ee79a4c2a7 (patch) | |
| tree | 3b3e67c5e4249354daf033932f855245fe07ce1a /src/qml/jit/qv4isel_masm.cpp | |
| parent | d9f33ccdef985badc56fd8940373748626beffc7 (diff) | |
V4 JIT: calculate used registers and only save those.
Instead of saving all possibly used ones. Note that floating point
registers are not saved yet, as we don't support callee-saved FP
registers yet.
Change-Id: I1db2ba2513f7b466c64ec103eda0c464269247b0
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/jit/qv4isel_masm.cpp')
| -rw-r--r-- | src/qml/jit/qv4isel_masm.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/qml/jit/qv4isel_masm.cpp b/src/qml/jit/qv4isel_masm.cpp index 5547190303..39e7c0fbc2 100644 --- a/src/qml/jit/qv4isel_masm.cpp +++ b/src/qml/jit/qv4isel_masm.cpp @@ -225,8 +225,9 @@ void InstructionSelection::run(int functionIndex) static const bool withRegisterAllocator = qgetenv("QV4_NO_REGALLOC").isEmpty(); if (Assembler::RegAllocIsSupported && opt.isInSSA() && withRegisterAllocator) { - RegisterAllocator(Assembler::getRegisterInfo()).run(_function, opt); - calculateRegistersToSave(Assembler::getRegisterInfo()); + RegisterAllocator regalloc(Assembler::getRegisterInfo()); + regalloc.run(_function, opt); + calculateRegistersToSave(regalloc.usedRegisters()); } else { if (opt.isInSSA()) // No register allocator available for this platform, or env. var was set, so: |