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Diffstat (limited to 'gas/config/tc-sparc.c')
-rw-r--r--gas/config/tc-sparc.c76
1 files changed, 44 insertions, 32 deletions
diff --git a/gas/config/tc-sparc.c b/gas/config/tc-sparc.c
index 850e606..d606267 100644
--- a/gas/config/tc-sparc.c
+++ b/gas/config/tc-sparc.c
@@ -4085,53 +4085,65 @@ sparc_cons_align (nbytes)
return;
}
- p = frag_var (rs_align_code, 1, 1, (relax_substateT) 0,
+ p = frag_var (rs_align_test, 1, 1, (relax_substateT) 0,
(symbolS *) NULL, (offsetT) nalign, (char *) NULL);
record_alignment (now_seg, nalign);
}
-/* This is where we do the unexpected alignment check.
- This is called from HANDLE_ALIGN in tc-sparc.h. */
+/* This is called from HANDLE_ALIGN in tc-sparc.h. */
void
sparc_handle_align (fragp)
fragS *fragp;
{
- if (fragp->fr_type == rs_align_code && !fragp->fr_subtype
- && fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix != 0)
- as_bad_where (fragp->fr_file, fragp->fr_line, _("misaligned data"));
- if (fragp->fr_type == rs_align_code && fragp->fr_subtype == 1024)
+ int count, fix;
+ char *p;
+
+ count = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix;
+
+ switch (fragp->fr_type)
{
- int count =
- fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix;
+ case rs_align_test:
+ if (count != 0)
+ as_bad_where (fragp->fr_file, fragp->fr_line, _("misaligned data"));
+ break;
- if (count >= 4
- && !(count & 3)
- && count <= 1024
- && !((long) (fragp->fr_literal + fragp->fr_fix) & 3))
- {
- unsigned *p = (unsigned *) (fragp->fr_literal + fragp->fr_fix);
- int i;
+ case rs_align_code:
+ p = fragp->fr_literal + fragp->fr_fix;
+ fix = 0;
- for (i = 0; i < count; i += 4, p++)
- if (INSN_BIG_ENDIAN)
- /* Emit nops. */
- number_to_chars_bigendian ((char *) p, 0x01000000, 4);
- else
- number_to_chars_littleendian ((char *) p, 0x10000000, 4);
+ if (count & 3)
+ {
+ fix = count & 3;
+ memset (p, 0, fix);
+ p += fix;
+ count -= fix;
+ }
- if (SPARC_OPCODE_ARCH_V9_P (max_architecture) && count > 8)
- {
- char *waddr = &fragp->fr_literal[fragp->fr_fix];
- unsigned wval = (0x30680000 | count >> 2); /* ba,a,pt %xcc, 1f */
- if (INSN_BIG_ENDIAN)
- number_to_chars_bigendian (waddr, wval, 4);
- else
- number_to_chars_littleendian (waddr, wval, 4);
- }
- fragp->fr_var = count;
+ if (SPARC_OPCODE_ARCH_V9_P (max_architecture) && count > 8)
+ {
+ unsigned wval = (0x30680000 | count >> 2); /* ba,a,pt %xcc, 1f */
+ if (INSN_BIG_ENDIAN)
+ number_to_chars_bigendian (p, wval, 4);
+ else
+ number_to_chars_littleendian (p, wval, 4);
+ p += 4;
+ count -= 4;
+ fix += 4;
}
+
+ if (INSN_BIG_ENDIAN)
+ number_to_chars_bigendian (p, 0x01000000, 4);
+ else
+ number_to_chars_littleendian (p, 0x01000000, 4);
+
+ fragp->fr_fix += fix;
+ fragp->fr_var = 4;
+ break;
+
+ default:
+ break;
}
}