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| author | Ian Lance Taylor <ian@airs.com> | 1997-02-12 20:20:11 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1997-02-12 20:20:11 +0000 |
| commit | 035936da058aee94f16cd82b6a433bddd9678118 (patch) | |
| tree | bbb18364f6b9ac4a43da8736ab7022545b75e09c /gas | |
| parent | ed3eb78691406929f68285b0e8dc392e81bf8145 (diff) | |
| download | gdb-035936da058aee94f16cd82b6a433bddd9678118.zip gdb-035936da058aee94f16cd82b6a433bddd9678118.tar.gz gdb-035936da058aee94f16cd82b6a433bddd9678118.tar.bz2 | |
* config/tc-mips.c (append_insn): Warn about an attempt to put an
extended instruction in a delay slot when not reordering. Set
prev_insn_valid even if not reordering.
(md_convert_frag): Warn if an extended instruction appears in a
delay slot.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 6 | ||||
| -rw-r--r-- | gas/config/tc-mips.c | 17 |
2 files changed, 22 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 0afe16e..2e3978d 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,11 @@ Wed Feb 12 14:36:29 1997 Ian Lance Taylor <ian@cygnus.com> + * config/tc-mips.c (append_insn): Warn about an attempt to put an + extended instruction in a delay slot when not reordering. Set + prev_insn_valid even if not reordering. + (md_convert_frag): Warn if an extended instruction appears in a + delay slot. + * config/tc-mips.c (mips_pseudo_table): Add "insn". (s_insn): New static function. * doc/c-mips.texi: Document .insn. diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index 6830198..04be71e 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -1493,7 +1493,15 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) f = frag_more (2); } else - f = frag_more (4); + { + if (mips16 + && mips_noreorder + && (prev_pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) + as_warn ("extended instruction in delay slot"); + + f = frag_more (4); + } + fixp = NULL; if (address_expr != NULL && reloc_type < BFD_RELOC_UNUSED) { @@ -1980,6 +1988,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) PC relative relocs. */ prev_insn = *ip; prev_insn_reloc_type = reloc_type; + prev_insn_valid = 1; } /* We just output an insn, so the next one doesn't have a label. */ @@ -9969,6 +9978,12 @@ md_convert_frag (abfd, asec, fragp) record_alignment (asec, op->shift); } + if (ext + && (RELAX_MIPS16_JAL_DSLOT (fragp->fr_subtype) + || RELAX_MIPS16_DSLOT (fragp->fr_subtype))) + as_warn_where (fragp->fr_file, fragp->fr_line, + "extended instruction in delay slot"); + buf = (bfd_byte *) (fragp->fr_literal + fragp->fr_fix); if (target_big_endian) |