GCC GAS Bug for generating x86 Code

[Alan Modra]

> > GCC GAS inline assembler does not generate code for Indirect Far Calls
> > correctly for the x86 lcall instruction. ( I suspect (have reason to
> > beleave) the same problems exist for the ljmp instruction but have not
> > verified );
> 
> Thanks for your bug report. I had a hard time following your
> explanation, and I was not capable of reproducing your results.

It's actually a bug in the disassembler, easily fixed with the following
patch.  The assembler generates the correct lcall opcode, although there
is currently some inconsistency with syntax:  eg. "call *-8(%ebp)" vs.
"lcall -8(%ebp)".  I'll fix this inconsistency soon.

--- binutils-current/opcodes/i386-dis.c~	Mon Sep  6 20:24:10 1999
+++ binutils-current/opcodes/i386-dis.c	Mon Dec 27 22:33:35 1999
@@ -1749,7 +1749,7 @@ static const struct dis386 grps[][8] = {
     { "incQ",	Ev, XX, XX },
     { "decQ",	Ev, XX, XX },
     { "callP",	indirEv, XX, XX },
-    { "callP",	indirEv, XX, XX },
+    { "lcallP",	indirEv, XX, XX },
     { "jmpP",	indirEv, XX, XX },
     { "ljmpP",	indirEv, XX, XX },
     { "pushQ",	Ev, XX, XX },