diff options
Diffstat (limited to 'deps/v8/src/arm/macro-assembler-arm.h')
| -rw-r--r-- | deps/v8/src/arm/macro-assembler-arm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/deps/v8/src/arm/macro-assembler-arm.h b/deps/v8/src/arm/macro-assembler-arm.h index 8c70d95873..1097bd9d14 100644 --- a/deps/v8/src/arm/macro-assembler-arm.h +++ b/deps/v8/src/arm/macro-assembler-arm.h @@ -239,6 +239,12 @@ class MacroAssembler: public Assembler { Register scratch2, Label* gc_required); + // Allocates a heap number or jumps to the need_gc label if the young space + // is full and a scavenge is needed. + void AllocateHeapNumber(Register result, + Register scratch1, + Register scratch2, + Label* gc_required); // --------------------------------------------------------------------------- // Support functions. @@ -319,6 +325,12 @@ class MacroAssembler: public Assembler { Register outHighReg, Register outLowReg); + // Count leading zeros in a 32 bit word. On ARM5 and later it uses the clz + // instruction. On pre-ARM5 hardware this routine gives the wrong answer + // for 0 (31 instead of 32). + void CountLeadingZeros(Register source, + Register scratch, + Register zeros); // --------------------------------------------------------------------------- // Runtime calls |