diff options
| author | Alan Modra <amodra@gmail.com> | 2002-10-11 00:25:32 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2002-10-11 00:25:32 +0000 |
| commit | 3e02c1cc5888d91642282c58cb4bfb84bec1d70c (patch) | |
| tree | 8aa7afe00554c4218533757e634598870b3a8bbf /gas | |
| parent | 5b33f915bfb43c6fe229cfcdeaed10d371a67f36 (diff) | |
| download | gdb-3e02c1cc5888d91642282c58cb4bfb84bec1d70c.zip gdb-3e02c1cc5888d91642282c58cb4bfb84bec1d70c.tar.gz gdb-3e02c1cc5888d91642282c58cb4bfb84bec1d70c.tar.bz2 | |
* config/tc-i386.c (output_jump): Set fx_signed for loop/jcxz.
(md_estimate_size_before_relax): Likewise for 8 bit branches.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 20 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 22 |
2 files changed, 29 insertions, 13 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 5f9a5be..46379a2 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2002-10-11 Michel Six <msix@ccr.jussieu.fr> + Alan Modra <amodra@bigpond.net.au> + + * config/tc-i386.c (output_jump): Set fx_signed for loop/jcxz. + (md_estimate_size_before_relax): Likewise for 8 bit branches. + Thu Oct 10 14:31:30 2002 J"orn Rennecke <joern.rennecke@superh.com> * config/tc-sh.c (assemble_ppi): Initialize reg_x / reg_y / reg_n @@ -22,12 +28,12 @@ Thu Oct 10 14:31:30 2002 J"orn Rennecke <joern.rennecke@superh.com> (TC_FORCE_RELOCATION): Tidy arg. 2002-09-30 Gavin Romig-Koch <gavin@redhat.com> - Ken Raeburn <raeburn@cygnus.com> - Aldy Hernandez <aldyh@redhat.com> - DJ Delorie <dj@redhat.com> - Michael Meissner <meissner@redhat.com> - Eric Christopher <echristo@redhat.com> - Richard Sandiford <rsandifo@redhat.com> + Ken Raeburn <raeburn@cygnus.com> + Aldy Hernandez <aldyh@redhat.com> + DJ Delorie <dj@redhat.com> + Michael Meissner <meissner@redhat.com> + Eric Christopher <echristo@redhat.com> + Richard Sandiford <rsandifo@redhat.com> * doc/c-mips.texi: Add entries for -march=vr4120,vr4130,vr4181, vr5400 and vr5500. Add entry for -mfix-vr4122-bugs. @@ -53,7 +59,7 @@ Thu Oct 10 14:31:30 2002 J"orn Rennecke <joern.rennecke@superh.com> twice if howto->pcrel_offset is true. 2002-09-28 Matt Thomas <matt@3am-software.com> - Jason Thorpe <thorpej@wasabisystems.com> + Jason Thorpe <thorpej@wasabisystems.com> * config/tc-vax.c (md_estimate_size_before_relax): Only try to convert undefined references to GOT32/PLT32 if PIC code is diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index b91b2bb..c7af77c 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -3000,6 +3000,7 @@ output_jump () { char *p; int size; + fixS *fixP; if (i.tm.opcode_modifier & JumpByte) { @@ -3050,8 +3051,14 @@ output_jump () p = frag_more (1 + size); *p++ = i.tm.base_opcode; - fix_new_exp (frag_now, p - frag_now->fr_literal, size, - i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0])); + fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size, + i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0])); + + /* All jumps handled here are signed, but don't use a signed limit + check for 32 and 16 bit jumps as we want to allow wrap around at + 4G and 64k respectively. */ + if (size == 1) + fixP->fx_signed = 1; } static void @@ -4394,11 +4401,14 @@ md_estimate_size_before_relax (fragP, segment) case COND_JUMP: if (no_cond_jump_promotion && fragP->fr_var == NO_RELOC) { + fixS *fixP; + fragP->fr_fix += 1; - fix_new (fragP, old_fr_fix, 1, - fragP->fr_symbol, - fragP->fr_offset, 1, - BFD_RELOC_8_PCREL); + fixP = fix_new (fragP, old_fr_fix, 1, + fragP->fr_symbol, + fragP->fr_offset, 1, + BFD_RELOC_8_PCREL); + fixP->fx_signed = 1; break; } |