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| author | Michael Hayes <m.hayes@elec.canterbury.ac.nz> | 2000-02-04 23:35:52 +0000 |
|---|---|---|
| committer | Michael Hayes <m.hayes@gcc.gnu.org> | 2000-02-04 23:35:52 +0000 |
| commit | a5fa648417fbb86cb06802f99ad1ed436fde4cd3 (patch) | |
| tree | 538de1c49e773d48395353777bbfbe82b476e58d | |
| parent | 4f8841697639e39819e21755e60173dd10c8ead5 (diff) | |
| download | gcc-a5fa648417fbb86cb06802f99ad1ed436fde4cd3.zip gcc-a5fa648417fbb86cb06802f99ad1ed436fde4cd3.tar.gz gcc-a5fa648417fbb86cb06802f99ad1ed436fde4cd3.tar.bz2 | |
c4x.md (fixuns_truncqfqi2): Rewrite.
2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
* config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
From-SVN: r31797
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/c4x/c4x.md | 37 | ||||
| -rw-r--r-- | gcc/config/c4x/libgcc.S | 4 |
3 files changed, 32 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7f88e0e..70170c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite. + * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix. + 2000-02-04 Bruce Korb <bkorb@gnu.org> * fixinc/genfixes(machname.h): diff --git a/gcc/config/c4x/c4x.md b/gcc/config/c4x/c4x.md index e0b8f7e..38e2052 100644 --- a/gcc/config/c4x/c4x.md +++ b/gcc/config/c4x/c4x.md @@ -3751,20 +3751,33 @@ "c4x_emit_libcall (fix_truncqfhi2_libfunc, FIX, HImode, QFmode, 2, operands); DONE;") -; Is this allowed to be implementation dependent? If so, we can -; omit the conditional load. Otherwise we should emit a split. (define_expand "fixuns_truncqfqi2" - [(parallel [(set (reg:CC 21) - (compare:CC (fix:QI (match_operand:QF 1 "src_operand" "fHm")) - (const_int 0))) - (set (match_dup 2) - (fix:QI (match_dup 1)))]) - (set (match_operand:QI 0 "reg_operand" "=r") - (if_then_else:QI (lt (reg:CC 21) (const_int 0)) - (const_int 0) - (match_dup 2)))] + [(set (match_dup 2) (match_dup 5)) + (set (reg:CC 21) + (compare:CC (match_operand:QF 1 "src_operand" "fHm") + (match_dup 2))) + (set (match_dup 2) + (if_then_else:QF (lt (reg:CC 21) (const_int 0)) + (match_dup 4) + (match_dup 2))) + (parallel [(set (match_dup 2) + (plus:QF (match_dup 2) (match_dup 2))) + (clobber (reg:CC_NOOV 21))]) + (parallel [(set (match_dup 2) + (minus:QF (match_dup 1) (match_dup 2))) + (clobber (reg:CC_NOOV 21))]) + (parallel [(set (match_operand:QI 0 "reg_operand" "=r") + (fix:QI (match_dup 2))) + (clobber (reg:CC 21))])] "" - "operands[2] = gen_reg_rtx (QImode);") + "operands[2] = gen_reg_rtx (QFmode); + operands[3] = gen_reg_rtx (QFmode); + operands[4] = gen_reg_rtx (QFmode); + operands[5] = gen_reg_rtx (QFmode); + emit_move_insn (operands[4], + immed_real_const_1 (REAL_VALUE_ATOF (\"0.0\", QFmode), QFmode)); + emit_move_insn (operands[5], + immed_real_const_1 (REAL_VALUE_ATOF (\"2147483648.0\", QFmode), QFmode));") (define_expand "fixuns_truncqfhi2" [(parallel [(set (match_operand:HI 0 "reg_operand" "") diff --git a/gcc/config/c4x/libgcc.S b/gcc/config/c4x/libgcc.S index 393c995..8f006a3 100644 --- a/gcc/config/c4x/libgcc.S +++ b/gcc/config/c4x/libgcc.S @@ -1076,7 +1076,7 @@ ufix_truncqfhi2n: ash -24,r3 subi 31,r3 cmpi 32,r3 - bge ufix1 + bgt ufix1 cmpi -32,r3 ble ufix1 ldi 1,r0 @@ -1223,7 +1223,7 @@ ufix_trunchfhi2n: ash -24,r3 subi 31,r3 cmpi 32,r3 - bge ufixh1 + bgt ufixh1 cmpi -32,r3 ble ufixh1 ldi 1,r0 |