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| author | Richard Stallman <rms@gnu.org> | 1993-10-21 04:33:51 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-10-21 04:33:51 +0000 |
| commit | d7e8d5811667a80aea6aad9f73ff6d6496a5ed13 (patch) | |
| tree | a2ece5dbe574d682b073f51555e977a2130d79d1 | |
| parent | b07b4e490d98864f273293961c716f01f2954bc3 (diff) | |
| download | gcc-d7e8d5811667a80aea6aad9f73ff6d6496a5ed13.zip gcc-d7e8d5811667a80aea6aad9f73ff6d6496a5ed13.tar.gz gcc-d7e8d5811667a80aea6aad9f73ff6d6496a5ed13.tar.bz2 | |
(output_move_double): Use reg_overlap_mentioned_p when checking for overlap between source and dest.
(output_move_double): Use reg_overlap_mentioned_p
when checking for overlap between source and dest.
Fix syntax for the lea insn for double overlap case.
From-SVN: r5857
| -rw-r--r-- | gcc/config/m68k/m68k.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 51e4bd9..0fc5afa 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -1077,15 +1077,15 @@ output_move_double (operands) if (optype0 == REGOP && (optype1 == OFFSOP || optype1 == MEMOP)) { - if (reg_mentioned_p (operands[0], XEXP (operands[1], 0)) - && reg_mentioned_p (latehalf[0], XEXP (operands[1], 0))) + if (reg_overlap_mentioned_p (operands[0], XEXP (operands[1], 0)) + && reg_overlap_mentioned_p (latehalf[0], XEXP (operands[1], 0))) { /* If both halves of dest are used in the src memory address, compute the address into latehalf of dest. */ compadr: xops[0] = latehalf[0]; xops[1] = XEXP (operands[1], 0); - output_asm_insn ("lea%L0,%a1,%0", xops); + output_asm_insn ("lea %a1,%0", xops); if( GET_MODE (operands[1]) == XFmode ) { operands[1] = gen_rtx (MEM, XFmode, latehalf[0]); @@ -1099,16 +1099,17 @@ compadr: } } else if (size == 12 - && reg_mentioned_p (middlehalf[0], XEXP (operands[1], 0))) + && reg_overlap_mentioned_p (middlehalf[0], + XEXP (operands[1], 0))) { /* Check for two regs used by both source and dest. */ - if (reg_mentioned_p (operands[0], XEXP (operands[1], 0)) - || reg_mentioned_p (latehalf[0], XEXP (operands[1], 0))) - goto compadr; + if (reg_overlap_mentioned_p (operands[0], XEXP (operands[1], 0)) + || reg_overlap_mentioned_p (latehalf[0], XEXP (operands[1], 0))) + goto compadr; /* JRV says this can't happen: */ if (addreg0 || addreg1) - abort(); + abort (); /* Only the middle reg conflicts; simply put it last. */ output_asm_insn (singlemove_string (operands), operands); @@ -1116,7 +1117,7 @@ compadr: output_asm_insn (singlemove_string (middlehalf), middlehalf); return ""; } - else if (reg_mentioned_p (operands[0], XEXP (operands[1], 0))) + else if (reg_overlap_mentioned_p (operands[0], XEXP (operands[1], 0))) /* If the low half of dest is mentioned in the source memory address, the arrange to emit the move late half first. */ dest_overlapped_low = 1; |