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riscv-gcc-1
Commit 9be40833 by Richard Henderson
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re PR bootstrap/4191 (GCC does not build for d30v-elf - needs tweaking for crtstuff.c changes) 

        PR bootstrap/4191
        * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.

        * flow.c (mark_used_reg): Manage reg_cond_dead properly for
        modes spanning multiple hard regs.

        * recog.c (peephole2_optimize): Rebuild jump labels as needed.

From-SVN: r52205
parent c58c6b73
Showing with 46 additions and 20 deletions
gcc/ChangeLog
2002-04-12 Richard Henderson <rth@redhat.com>
PR bootstrap/4191
* config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.
* flow.c (mark_used_reg): Manage reg_cond_dead properly for
modes spanning multiple hard regs.
* recog.c (peephole2_optimize): Rebuild jump labels as needed.
2002-04-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
* pa.c (pa_output_function_prologue): Don't accumulate the total
......@@ -85,7 +95,7 @@
* config/alpha/openbsd.h: Do not directly include alpha/alpha.h.
* config/alpha/vms.h: Likewise.
2002-04-11 Richard Sandiford <rsand
2002-04-11 Richard Sandiford <rsandifo@redhat.com>
* doc/extend.texi: Remove old claim that typedefs cannot have
an alignment attribute.
......@@ -800,7 +810,7 @@ objc:
* protoize.c: Match include directory usage with cppdefault.c.
2002-04-03 Jeffrey A Law (law@redhat.com)
Hans-Peter Nilsson <hp@bitrange.com>
Hans-Peter Nilsson <hp@bitrange.com>
* combine.c (simplify_comparison): Avoid narrowing a comparison
with a paradoxical subreg when doing so would drop signficant bits.
......@@ -878,7 +888,7 @@ Tue Apr 2 06:47:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2002-04-01 Vladimir Makarov <vmakarov@redhat.com>
* config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON,
ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.
ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.
2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk>
......@@ -899,8 +909,8 @@ objc:
2002-04-01 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
in previous change.
* config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
in previous change.
2002-04-01 Bob Wilson <bob.wilson@acm.org>
......@@ -1053,7 +1063,7 @@ Sun Mar 31 14:43:24 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* libgcc2.c (__bb_exit_func): Make static.
* config/alpha/alpha.md (trap): New.
* config/alpha/alpha.md (trap): New.
2002-03-31 Richard Henderson <rth@redhat.com>
......@@ -1081,11 +1091,11 @@ Sun Mar 31 14:43:24 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise.
2002-03-30 Roger Sayle <roger@eyesopen.com>
Richard Henderson <rth@redhat.com>
Richard Henderson <rth@redhat.com>
* regmove.c (combine_stack_adjustments_for_block): Avoid
emitting a stack adjustment of zero bytes. Let delete_insn
update bb->head.
* regmove.c (combine_stack_adjustments_for_block): Avoid
emitting a stack adjustment of zero bytes. Let delete_insn
update bb->head.
2002-03-30 Richard Henderson <rth@redhat.com>
......
gcc/config/d30v/d30v.h
......@@ -3357,7 +3357,6 @@ do { \
Defined in svr4.h. */
/* #define INIT_SECTION_ASM_OP */
#undef INIT_SECTION_ASM_OP
/* If defined, `main' will not call `__main' as described above. This macro
should be defined for systems that control the contents of the init section
......
gcc/flow.c
......@@ -3610,6 +3610,10 @@ mark_used_reg (pbi, reg, cond, insn)
/* Mark the register as being live. */
for (i = regno_first; i <= regno_last; ++i)
{
#ifdef HAVE_conditional_execution
int this_was_live = REGNO_REG_SET_P (pbi->reg_live, i);
#endif
SET_REGNO_REG_SET (pbi->reg_live, i);
#ifdef HAVE_conditional_execution
......@@ -3621,7 +3625,7 @@ mark_used_reg (pbi, reg, cond, insn)
struct reg_cond_life_info *rcli;
rtx ncond;
if (some_was_live)
if (this_was_live)
{
node = splay_tree_lookup (pbi->reg_cond_dead, i);
if (node == NULL)
......@@ -3663,7 +3667,7 @@ mark_used_reg (pbi, reg, cond, insn)
SET_REGNO_REG_SET (pbi->reg_cond_reg, REGNO (XEXP (cond, 0)));
}
}
else if (some_was_live)
else if (this_was_live)
{
/* The register may have been conditionally live previously, but
is now unconditionally live. Remove it from the conditionally
......
gcc/recog.c
......@@ -3003,6 +3003,7 @@ peephole2_optimize (dump_file)
bool changed;
#endif
bool do_cleanup_cfg = false;
bool do_rebuild_jump_labels = false;
/* Initialize the regsets we're going to use. */
for (i = 0; i < MAX_INSNS_PER_PEEP2 + 1; ++i)
......@@ -3045,7 +3046,7 @@ peephole2_optimize (dump_file)
prev = PREV_INSN (insn);
if (INSN_P (insn))
{
rtx try, before_try;
rtx try, before_try, x;
int match_len;
rtx note;
......@@ -3139,7 +3140,6 @@ peephole2_optimize (dump_file)
/* Re-insert the EH_REGION notes. */
if (note)
{
rtx x;
edge eh_edge;
for (eh_edge = bb->succ; eh_edge
......@@ -3209,25 +3209,35 @@ peephole2_optimize (dump_file)
COPY_REG_SET (live, peep2_insn_data[i].live_before);
/* Update life information for the new sequence. */
x = try;
do
{
if (INSN_P (try))
if (INSN_P (x))
{
if (--i < 0)
i = MAX_INSNS_PER_PEEP2;
peep2_insn_data[i].insn = try;
propagate_one_insn (pbi, try);
peep2_insn_data[i].insn = x;
propagate_one_insn (pbi, x);
COPY_REG_SET (peep2_insn_data[i].live_before, live);
}
try = PREV_INSN (try);
x = PREV_INSN (x);
}
while (try != prev);
while (x != prev);
/* ??? Should verify that LIVE now matches what we
had before the new sequence. */
peep2_current = i;
#endif
/* If we generated a jump instruction, it won't have
JUMP_LABEL set. Recompute after we're done. */
for (x = try; x != before_try; x = PREV_INSN (x))
if (GET_CODE (x) == JUMP_INSN)
{
do_rebuild_jump_labels = true;
break;
}
}
}
......@@ -3242,6 +3252,9 @@ peephole2_optimize (dump_file)
FREE_REG_SET (peep2_insn_data[i].live_before);
FREE_REG_SET (live);
if (do_rebuild_jump_labels)
rebuild_jump_labels (get_insns ());
/* If we eliminated EH edges, we may be able to merge blocks. Further,
we've changed global life since exception handlers are no longer
reachable. */
......
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