diff options
| author | Kazu Hirata <kazu@cs.umass.edu> | 2002-12-20 04:05:14 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2002-12-20 04:05:14 +0000 |
| commit | 539dbd15f3e90c346a11bea734b069e93dd14a55 (patch) | |
| tree | 49b6a4cac00cbb10871a121852da3548f4fa1a0b | |
| parent | 7a163ec05c76c710d246c56ef8076a2cd38baf32 (diff) | |
| download | gcc-539dbd15f3e90c346a11bea734b069e93dd14a55.zip gcc-539dbd15f3e90c346a11bea734b069e93dd14a55.tar.gz gcc-539dbd15f3e90c346a11bea734b069e93dd14a55.tar.bz2 | |
h8300.md (output_a_shift): Clean up the code to output shifts using rotation.
* config/h8300/h8300.md (output_a_shift): Clean up the code to
output shifts using rotation.
From-SVN: r60353
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.c | 36 |
2 files changed, 22 insertions, 19 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 22112f0..209e12f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-12-19 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300.md (output_a_shift): Clean up the code to + output shifts using rotation. + 2002-12-20 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> * flow.c (allocate_reg_life_data): Reset REG_FREQ. diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c index 078c4a9..ab2cc15 100644 --- a/gcc/config/h8300/h8300.c +++ b/gcc/config/h8300/h8300.c @@ -3026,30 +3026,28 @@ output_a_shift (operands) output_asm_insn (info.shift1, operands); /* Now mask off the high bits. */ - if (TARGET_H8300) + switch (mode) { - switch (mode) + case QImode: + sprintf (insn_buf, "and\t#%d,%%X0", mask); + cc_status.value1 = operands[0]; + cc_status.flags |= CC_NO_CARRY; + break; + case HImode: + if (TARGET_H8300) { - case QImode: - sprintf (insn_buf, "and\t#%d,%%X0", mask); - cc_status.value1 = operands[0]; - cc_status.flags |= CC_NO_CARRY; - break; - case HImode: sprintf (insn_buf, "and\t#%d,%%s0\n\tand\t#%d,%%t0", mask & 255, mask >> 8); - break; - default: - abort (); } - } - else - { - sprintf (insn_buf, "and.%c\t#%d,%%%c0", - "bwl"[shift_mode], mask, - mode == QImode ? 'X' : mode == HImode ? 'T' : 'S'); - cc_status.value1 = operands[0]; - cc_status.flags |= CC_NO_CARRY; + else + { + sprintf (insn_buf, "and.w\t#%d,%%T0", mask); + cc_status.value1 = operands[0]; + cc_status.flags |= CC_NO_CARRY; + } + break; + default: + abort (); } output_asm_insn (insn_buf, operands); return ""; |