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| author | Kazu Hirata <kazu@cs.umass.edu> | 2002-11-12 14:01:33 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2002-11-12 14:01:33 +0000 |
| commit | e27051f71bf83b124c2672659ce075c33544b384 (patch) | |
| tree | 623d9f0068221865a412e4cd652776df27d07bdd /gcc | |
| parent | 10bb8214f8967b1360b09c2a8e4b2157da334df6 (diff) | |
| download | gcc-e27051f71bf83b124c2672659ce075c33544b384.zip gcc-e27051f71bf83b124c2672659ce075c33544b384.tar.gz gcc-e27051f71bf83b124c2672659ce075c33544b384.tar.bz2 | |
h8300.c (single_one_operand): Correctly compute mask when mode is SImode.
* config/h8300/h8300.c (single_one_operand): Correctly compute
mask when mode is SImode.
(single_zero_operand): Likewise.
* config/h8300/h8300.md (two new anonymous insns): New.
From-SVN: r59050
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.c | 8 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.md | 37 |
3 files changed, 50 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 400f34f..f39d76b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2002-11-12 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300.c (single_one_operand): Correctly compute + mask when mode is SImode. + (single_zero_operand): Likewise. + * config/h8300/h8300.md (two new anonymous insns): New. + 2002-11-12 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> * doc/contrib.texi (Contributors): Use GCJ instead of gcj to refer diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c index 43a0c88..56a06a0 100644 --- a/gcc/config/h8300/h8300.c +++ b/gcc/config/h8300/h8300.c @@ -763,7 +763,9 @@ single_one_operand (operand, mode) /* We really need to do this masking because 0x80 in QImode is represented as -128 for example. */ unsigned HOST_WIDE_INT mask = - ((unsigned HOST_WIDE_INT) 1 << GET_MODE_BITSIZE (mode)) - 1; + (GET_MODE_BITSIZE (mode) < HOST_BITS_PER_WIDE_INT) + ? ((unsigned HOST_WIDE_INT) 1 << GET_MODE_BITSIZE (mode)) - 1 + : ~0; unsigned HOST_WIDE_INT value = INTVAL (operand); if (exact_log2 (value & mask) >= 0) @@ -786,7 +788,9 @@ single_zero_operand (operand, mode) /* We really need to do this masking because 0x80 in QImode is represented as -128 for example. */ unsigned HOST_WIDE_INT mask = - ((unsigned HOST_WIDE_INT) 1 << GET_MODE_BITSIZE (mode)) - 1; + (GET_MODE_BITSIZE (mode) < HOST_BITS_PER_WIDE_INT) + ? ((unsigned HOST_WIDE_INT) 1 << GET_MODE_BITSIZE (mode)) - 1 + : ~0; unsigned HOST_WIDE_INT value = INTVAL (operand); if (exact_log2 (~value & mask) >= 0) diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index f0b9068..129ff63 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -599,6 +599,43 @@ [(set_attr "length" "2") (set_attr "cc" "set_zn")]) +(define_insn "" + [(set (cc0) + (and:HI (match_operand:HI 0 "register_operand" "r") + (match_operand:HI 1 "single_one_operand" "n")))] + "" + "* +{ + operands[1] = GEN_INT (INTVAL (operands[1]) & 0xffff); + if (INTVAL (operands[1]) > 128) + { + operands[1] = GEN_INT (INTVAL (operands[1]) >> 8); + return \"btst\\t%V1,%t0\"; + } + return \"btst\\t%V1,%s0\"; +}" + [(set_attr "length" "2") + (set_attr "cc" "set_zn")]) + +(define_insn "" + [(set (cc0) + (and:SI (match_operand:SI 0 "register_operand" "r") + (match_operand:SI 1 "single_one_operand" "n")))] + "(TARGET_H8300H || TARGET_H8300S) + && (INTVAL (operands[1]) & 0xffff) != 0" + "* +{ + operands[1] = GEN_INT (INTVAL (operands[1]) & 0xffff); + if (INTVAL (operands[1]) > 128) + { + operands[1] = GEN_INT (INTVAL (operands[1]) >> 8); + return \"btst\\t%V1,%x0\"; + } + return \"btst\\t%V1,%w0\"; +}" + [(set_attr "length" "2") + (set_attr "cc" "set_zn")]) + (define_insn "tstqi" [(set (cc0) (match_operand:QI 0 "register_operand" "r"))] "" |