Updates:
Cc: [email protected]
Comment #1 on issue 2824 by [email protected]:
cctest/test-cpu-profiler/ProfileStartEndTime sometimes fails on ia32
http://code.google.com/p/v8/issues/detail?id=2824
It turned out that OS::TimeCurrentMillis returns long double(80 bits) and
when we compare it to a double there may be some discrepancy.
[Thread 0xf738db40 (LWP 28966) exited]
Breakpoint 1, 0x0811ea29 in TestProfileStartEndTime() ()
(gdb) info float
R7: Valid 0x4027a026d7fcad453f7d +1375692912986.541 <---
double, loaded from stack
=>R6: Valid 0x4027a026d7fcad454000 +1375692912986.541016 <---
long double
R5: Empty 0x4012f0dad00000000000
R4: Empty 0x3ffcc447a3e5e237c13a
R3: Empty 0x00000000000000000000
R2: Empty 0x00000000000000000000
R1: Empty 0x00000000000000000000
R0: Empty 0x00000000000000000000
Status Word: 0x3023 IE DE PE
TOP: 6
Control Word: 0x037f IM DM ZM OM UM PM
PC: Extended Precision (64-bits)
RC: Round to nearest
Tag Word: 0x0fff
Instruction Pointer: 0x00:0x0811ea25
Operand Pointer: 0x00:0xffffce20
Opcode: 0x0000
(gdb)
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