Commit 1144563f by Jeff Law

pa.h (DBX_CONTIN_LENGTH): Define to 4000 characters.

        * pa.h (DBX_CONTIN_LENGTH): Define to 4000 characters.

        * pa.c (hppa_expand_epilogue): Always emit a blockage insn
        before cutting back the stack.

From-SVN: r11327
parent 97da85b7
......@@ -2475,6 +2475,12 @@ hppa_expand_epilogue ()
gen_rtx (POST_INC, DFmode, tmpreg)));
}
/* Emit a blockage insn here to keep these insns from being moved to
an earlier spot in the epilogue, or into the main instruction stream.
This is necessary as we must not cut the stack back before all the
restores are finished. */
emit_insn (gen_blockage ());
/* No frame pointer, but we have a stack greater than 8k. We restore
%r2 very late in this case. (All other cases are restored as early
as possible.) */
......@@ -2499,10 +2505,6 @@ hppa_expand_epilogue ()
pointer is initially set to fp + 64 to avoid a race condition. */
else if (frame_pointer_needed)
{
/* Emit a blockage insn here to keep these insns from being moved
to the beginning of the prologue or into the main instruction
stream, doing so avoids some very obscure problems. */
emit_insn (gen_blockage ());
set_reg_plus_d (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, 64);
emit_insn (gen_pre_ldwm (frame_pointer_rtx,
stack_pointer_rtx,
......
......@@ -1596,7 +1596,7 @@ while (0)
#define SLOW_BYTE_ACCESS 1
/* Do not break .stabs pseudos into continuations. */
#define DBX_CONTIN_LENGTH 0
#define DBX_CONTIN_LENGTH 4000
/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
is done just by pretending it is already truncated. */
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment