search for: jecxz

...noticed that compiling the 64-bit assembly instruction<https://msdn.microsoft.com/en-us/library/windows/hardware/ff561499(v=vs.85).aspx> "jrcxz" in 32-bit mode "-m32" previously resulted in an error, now gets silently converted into the 32-bit equivalent instruction "jecxz". I have bisected this change in behavior down to r225075 - [X86] Make the instructions that use AdSize16/32/64 co-exist together without using mode predicates.<http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141229/250681.html> I am curious if this change in behavior was a...

...ore/bcopyxx.inc | 2 ++ core/bootsect.inc | 8 +++++--- core/runkernel.inc | 2 +- 4 files changed, 10 insertions(+), 4 deletions(-) diff --git a/core/bcopy32.inc b/core/bcopy32.inc index 6537546..ab60145 100644 --- a/core/bcopy32.inc +++ b/core/bcopy32.inc @@ -65,6 +65,8 @@ bcopy: jecxz .ret ; If len == 0: this marks the end of the list; dst indicates ; the entry point and src the mode (0 = pm, 1 = rm) ; +; (*) dst, src, and len are four bytes each +; shuffle_and_boot_raw: mov bx,pm_shuffle jmp enter_pm diff --git a/core/bcopyxx.inc b/core/bcopyxx.inc index...