From 8231b3f9ff1c2dd5293732ceb4bd7da4b08083c3 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 7 May 2003 17:51:15 -0700 Subject: [PATCH] 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 --- gcc/ChangeLog | 5 +++++ gcc/config/i386/i386.c | 23 ++++++++++++++++------- 2 files changed, 21 insertions(+), 7 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e61e92e5f4b..ba540d456e8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-05-07 Richard Henderson + + * config/i386/i386.c (ix86_split_long_move): Fix base register + mode for XFmode splits for TARGET_64BIT. + 2003-05-07 Richard Henderson * sched-ebb.c (schedule_ebb): Supply the correct starting diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 1bf50cb34a9..048d5f88026 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)); } } -- 2.30.2