Slava Pestov
1818bcb780
Fix three problems discovered by running math.floats.env tests in a loop:
...
- Crash if allocating error triggers a GC from a signal/SEH handler
- Crash if GC runs with floating point traps enabled on Windows
- Floating point traps didn't prettyprint properly
2010-09-02 22:57:14 -05:00
Slava Pestov
720d634388
math.floats.env.x86: make sure the x87 stack is cleared after the overflow test, otherwise random things screw up later
2010-08-28 12:01:09 -05:00
Slava Pestov
f804c9c422
Move compile-call and related words only meant to be used for debugging to compiler.test
2010-01-23 00:39:56 +13:00
Slava Pestov
8a7e9740c9
math.floats.env: disable trap tests on OpenBSD i386 for now, until The World's Most Secure Operating System fixes a local DoS exploit
2009-10-03 10:59:54 -05:00
Slava Pestov
0a29e64287
math.functions: ~ now raises an invalid operation FP trap if one of the inputs is NaN
2009-09-29 23:41:08 -05:00
Slava Pestov
c4f3a42269
math.floats.env: Fix linux x86.64 some more
2009-09-14 02:39:12 -05:00
Slava Pestov
05b51d2739
math.floats.env: modify tests to take buggy Linux/x86-64 pow() into account
2009-09-13 23:26:09 -05:00
Slava Pestov
3ab6dbac22
math.floats.env: fix compiled trap unit tests
2009-09-13 18:22:49 -05:00
Slava Pestov
32b95c2cdf
math: add unordered comparison operators u< u<= u> u>= which behave exactly like < <= > >= except no floating point exceptions are set if one or both inputs are NaNs; also add efficient intrinsic for unordered? predicate, and fix propagation type functions for abs, absq, and bitnot
2009-09-12 22:20:13 -05:00
Joe Groff
61851fcd7a
take the union of the x87 and sse exception flags when reporting fp-exception-flags. add back the unit tests i took out since this should fix the problem
2009-09-09 23:37:48 -05:00
Joe Groff
3d49cc5a0d
change math.floats.env tests not to use any libm functions, which don't reliably set the right hardware exceptions on linux glibc
2009-09-09 18:00:38 -05:00
Joe Groff
1c62a978d0
add some tests to help track down leaks in FP state changes
2009-09-08 23:07:33 -05:00
Joe Groff
0ec342a1c5
factor out x86 and ppc backends for math.floats.env; update both x87 and SSE state on x86
2009-09-08 15:36:53 -05:00
Joe Groff
25b45d6af0
test fp traps
2009-09-06 09:04:46 -05:00
Joe Groff
96db254311
unit tests for math.floats.env
2009-09-06 07:50:56 -05:00