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| author | Richard Henderson <rth@redhat.com> | 2003-05-07 17:51:15 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2003-05-07 17:51:15 -0700 |
| commit | 8231b3f9ff1c2dd5293732ceb4bd7da4b08083c3 (patch) | |
| tree | a29535f5bdf8cbf4a4d54cefc26155445b934828 | |
| parent | 0212907f54ea5a59e93301f905321b07646b17ae (diff) | |
| download | gcc-8231b3f9ff1c2dd5293732ceb4bd7da4b08083c3.zip gcc-8231b3f9ff1c2dd5293732ceb4bd7da4b08083c3.tar.gz gcc-8231b3f9ff1c2dd5293732ceb4bd7da4b08083c3.tar.bz2 | |
i386.c (ix86_split_long_move): Fix base register mode for XFmode splits for TARGET_64BIT.
* config/i386/i386.c (ix86_split_long_move): Fix base register
mode for XFmode splits for TARGET_64BIT.
From-SVN: r66589
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 23 |
2 files changed, 21 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e61e92e5..ba540d4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2003-05-07 Richard Henderson <rth@redhat.com> + * config/i386/i386.c (ix86_split_long_move): Fix base register + mode for XFmode splits for TARGET_64BIT. + +2003-05-07 Richard Henderson <rth@redhat.com> + * sched-ebb.c (schedule_ebb): Supply the correct starting block number to save_line_notes. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 1bf50cb..048d5f8 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -10593,15 +10593,24 @@ ix86_split_long_move (operands) Do an lea to the last part and use only one colliding move. */ else if (collisions > 1) { + rtx base; + collisions = 1; - emit_insn (gen_rtx_SET (VOIDmode, part[0][nparts - 1], - XEXP (part[1][0], 0))); - part[1][0] = change_address (part[1][0], - TARGET_64BIT ? DImode : SImode, - part[0][nparts - 1]); - part[1][1] = adjust_address (part[1][0], VOIDmode, UNITS_PER_WORD); + + base = part[0][nparts - 1]; + + /* Handle the case when the last part isn't valid for lea. + Happens in 64-bit mode storing the 12-byte XFmode. */ + if (GET_MODE (base) != Pmode) + base = gen_rtx_REG (Pmode, REGNO (base)); + + emit_insn (gen_rtx_SET (VOIDmode, base, XEXP (part[1][0], 0))); + part[1][0] = replace_equiv_address (part[1][0], base); + part[1][1] = replace_equiv_address (part[1][1], + plus_constant (base, UNITS_PER_WORD)); if (nparts == 3) - part[1][2] = adjust_address (part[1][0], VOIDmode, 8); + part[1][2] = replace_equiv_address (part[1][2], + plus_constant (base, 8)); } } |