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| author | Richard Earnshaw <erich@gnu.org> | 1994-06-06 13:14:03 +0000 |
|---|---|---|
| committer | Richard Earnshaw <erich@gnu.org> | 1994-06-06 13:14:03 +0000 |
| commit | b5cc037f4b69e438ccd26b01f1c5e00d8d59599a (patch) | |
| tree | 07d5c90941dc79d8fbd9f5d8227b525fabdb676d | |
| parent | fe241a29e33e5c7474471e6d2a410b04d2487bbe (diff) | |
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(arm_reload_out_hi): Rewrite.
(arm_reload_out_hi): Rewrite. Add support for processors running in
big-endian mode.
(fp_immediate_constant): Fix typo in argument declaration.
From-SVN: r7449
| -rw-r--r-- | gcc/config/arm/arm.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 996415c..9873845 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -794,17 +794,26 @@ arm_reload_out_hi (operands) { rtx base = find_replacement (&XEXP (operands[0], 0)); - emit_insn (gen_rtx (SET, VOIDmode, - gen_rtx (MEM, QImode, base), - gen_rtx (SUBREG, QImode, operands[1], 0))); - emit_insn (gen_rtx (SET, VOIDmode, operands[2], - gen_rtx (LSHIFTRT, SImode, - gen_rtx (SUBREG, SImode, operands[1], 0), - GEN_INT (8)))); - emit_insn (gen_rtx (SET, VOIDmode, - gen_rtx (MEM, QImode, - plus_constant (base, 1)), - gen_rtx (SUBREG, QImode, operands[2], 0))); + if (BYTES_BIG_ENDIAN) + { + emit_insn (gen_movqi (gen_rtx (MEM, QImode, plus_constant (base, 1)), + gen_rtx (SUBREG, QImode, operands[1], 0))); + emit_insn (gen_lshrsi3 (operands[2], + gen_rtx (SUBREG, SImode, operands[1], 0), + GEN_INT (8))); + emit_insn (gen_movqi (gen_rtx (MEM, QImode, base), + gen_rtx (SUBREG, QImode, operands[2], 0))); + } + else + { + emit_insn (gen_movqi (gen_rtx (MEM, QImode, base), + gen_rtx (SUBREG, QImode, operands[1], 0))); + emit_insn (gen_lshrsi3 (operands[2], + gen_rtx (SUBREG, SImode, operands[1], 0), + GEN_INT (8))); + emit_insn (gen_movqi (gen_rtx (MEM, QImode, plus_constant (base, 1)), + gen_rtx (SUBREG, QImode, operands[2], 0))); + } } /* Check to see if a branch is forwards or backwards. Return TRUE if it @@ -845,7 +854,7 @@ arm_insn_not_targeted (insn) when cross compiling. */ char * fp_immediate_constant (x) - rtx (x); + rtx x; { REAL_VALUE_TYPE r; int i; |