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authorJ"orn Rennecke <amylaar@redhat.com>2001-06-19 00:58:29 +0000
committerJoern Rennecke <amylaar@gcc.gnu.org>2001-06-19 01:58:29 +0100
commitafbc5d8693b2f82cf772e417f6d4e2358cde5865 (patch)
treec040cdfb9b0e9957c2909dec28a637bb227a0764
parentc8b2822138be0f4c83da1cbd27cee0913a095760 (diff)
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sh.c (output_branch): Delete bogus code.
* sh.c (output_branch): Delete bogus code. * sh.c (initial_elimination_offset): Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case. From-SVN: r43450
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/sh/sh.c35
2 files changed, 17 insertions, 25 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 13daeb5..d0e6541 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh.c (output_branch): Delete bogus code.
+
+ * sh.c (initial_elimination_offset):
+ Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
+
Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
* flow.c (find_unreachable_blocks): New function.
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 0c18256..8afb976 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -802,12 +802,8 @@ output_branch (logic, insn, operands)
rtx insn;
rtx *operands;
{
- int len = get_attr_length (insn);
-
- switch (len)
+ switch (get_attr_length (insn))
{
- case 16:
- case 12:
case 6:
/* This can happen if filling the delay slot has caused a forward
branch to exceed its range (we could reverse it, but only
@@ -830,24 +826,16 @@ output_branch (logic, insn, operands)
if (final_sequence
&& ! INSN_ANNULLED_BRANCH_P (XVECEXP (final_sequence, 0, 0)))
{
- asm_fprintf (asm_out_file, "\tb%s%ss\t%LLF%d\n",
- logic ? "f" : "t",
+ asm_fprintf (asm_out_file, "\tb%s%ss\t%LLF%d\n", logic ? "f" : "t",
ASSEMBLER_DIALECT ? "/" : ".", label);
print_slot (final_sequence);
}
else
- asm_fprintf (asm_out_file, "\tb%s\t%LLF%d\n", logic ? "f" : "t",
- label);
+ asm_fprintf (asm_out_file, "\tb%s\t%LLF%d\n", logic ? "f" : "t", label);
- if (len == 6)
- {
- output_asm_insn ("bra\t%l0", &op0);
- fprintf (asm_out_file, "\tnop\n");
- }
- else
- output_far_jump (insn, op0);
-
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "LF", label);
+ output_asm_insn ("bra\t%l0", &op0);
+ fprintf (asm_out_file, "\tnop\n");
+ ASM_OUTPUT_INTERNAL_LABEL(asm_out_file, "LF", label);
return "";
}
@@ -856,6 +844,9 @@ output_branch (logic, insn, operands)
case 2:
return logic ? "bt%.\t%l0" : "bf%.\t%l0";
default:
+ /* There should be no longer branches now - that would
+ indicate that something has destroyed the branches set
+ up in machine_dependent_reorg. */
abort ();
}
}
@@ -4555,13 +4546,7 @@ initial_elimination_offset (from, to)
if (from == RETURN_ADDRESS_POINTER_REGNUM
&& (to == FRAME_POINTER_REGNUM || to == STACK_POINTER_REGNUM))
- {
- int i, n = total_saved_regs_space;
- for (i = PR_REG-1; i >= 0; i--)
- if (live_regs_mask & (1 << i))
- n -= 4;
- return n + total_auto_space;
- }
+ return UNITS_PER_WORD + total_auto_space;
abort ();
}