http://d.puremagic.com/issues/show_bug.cgi?id=5597
Summary: [64-bit] Illegal Instruction on Ancient Hardware
Product: D
Version: D2
Platform: Other
OS/Version: Windows
Status: NEW
Keywords: wrong-code
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: dsim...@yahoo.com
--- Comment #0 from David Simcha <dsim...@yahoo.com> 2011-02-16 08:17:59 PST ---
The following code works on newer hardware, but terminates with "Illegal
instruction" on some ancient CPUs (details below):
import std.conv;
void main() {
string foo = "1.0";
parse!float(foo);
}
The ancient hardware in question (first CPU from cat /proc/cpuinfo):
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) MP CPU 3.66GHz
stepping : 1
cpu MHz : 3657.816
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor
ds_cpl est tm2 cid cx16 xtpr
bogomips : 7321.85
clflush size : 64
cache_alignment : 128
address sizes : 40 bits physical, 48 bits virtual
power management:
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