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| author | Nick Clifton <nickc@cygnus.com> | 1999-11-30 11:05:05 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 1999-11-30 11:05:05 +0000 |
| commit | 4c82e145460d5317eeadd5f6dab4993f45fd8497 (patch) | |
| tree | 1d47ab902ea3c5c82832b4c6c5f260f78f17e998 | |
| parent | 4dc9341c04ba95ac73093573f645b49dcff494bf (diff) | |
| download | gcc-4c82e145460d5317eeadd5f6dab4993f45fd8497.zip gcc-4c82e145460d5317eeadd5f6dab4993f45fd8497.tar.gz gcc-4c82e145460d5317eeadd5f6dab4993f45fd8497.tar.bz2 | |
Fix psimode truncation patterns to not accept MEMs that are not valid for
PSImode.
From-SVN: r30721
| -rw-r--r-- | gcc/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/config/mn10200/mn10200.c | 13 | ||||
| -rw-r--r-- | gcc/config/mn10200/mn10200.h | 3 | ||||
| -rw-r--r-- | gcc/config/mn10200/mn10200.md | 4 |
4 files changed, 30 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index facaadc..052c390 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,15 @@ +Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com> + + * config/mn10200/mn10200.h (PREDICATE_CODES): Add + psimode_truncation_operand. + + * config/mn10200/mn10200.c (psimode_truncation_operand): New + function. Return true if the operand is either a MEM valid + for a PSImode address or not a MEM at all. + + * config/mn10200/mn10200.md (truncsipsi2): Use + psimode_truncation_operand. + 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz> * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions. diff --git a/gcc/config/mn10200/mn10200.c b/gcc/config/mn10200/mn10200.c index 26b8248..6c39af3 100644 --- a/gcc/config/mn10200/mn10200.c +++ b/gcc/config/mn10200/mn10200.c @@ -875,6 +875,19 @@ constant_memory_operand (op, mode) return GET_CODE (op) == MEM && CONSTANT_ADDRESS_P (XEXP (op, 0)); } +/* Return true if OP is valid for a psi mode truncation operand. + It must either be a memory operand which is valid for a PSImode + address, or if it is not a memory operand at all. */ +int +psimode_truncation_operand (op, mode) + rtx op; + enum machine_mode mode; +{ + return (general_operand (op, mode) + && (GET_CODE (op) != MEM + || memory_address_p (PSImode, XEXP (op, 0)))); +} + /* What (if any) secondary registers are needed to move IN with mode MODE into a register from in register class CLASS. diff --git a/gcc/config/mn10200/mn10200.h b/gcc/config/mn10200/mn10200.h index 6f9cceb..abb50c9 100644 --- a/gcc/config/mn10200/mn10200.h +++ b/gcc/config/mn10200/mn10200.h @@ -1063,6 +1063,8 @@ do { char dstr[30]; \ #define PREDICATE_CODES \ {"call_address_operand", { SYMBOL_REF, REG }}, \ {"constant_memory_operand", { MEM }}, \ + {"psimode_truncation_operand",{ PLUS, CONST_INT, CONST_DOUBLE, CONST, \ + SYMBOL_REF, LABEL_REF, SUBREG, REG, MEM }},\ {"extendpsi_operand", { PLUS, CONST_INT, CONST_DOUBLE, CONST, \ SYMBOL_REF, LABEL_REF, SUBREG, REG, MEM }}, \ {"nshift_operator", { ASHIFTRT, LSHIFTRT, ASHIFT }}, @@ -1078,5 +1080,6 @@ extern enum reg_class secondary_reload_class (); extern char *emit_a_shift (); extern char *output_tst (); extern int extendpsi_operand (); +extern int psimode_truncation_operand (); extern struct rtx_def *zero_dreg; extern struct rtx_def *zero_areg; diff --git a/gcc/config/mn10200/mn10200.md b/gcc/config/mn10200/mn10200.md index 91057ab..3bfb204 100644 --- a/gcc/config/mn10200/mn10200.md +++ b/gcc/config/mn10200/mn10200.md @@ -1165,7 +1165,7 @@ (define_insn "truncsipsi2" [(set (match_operand:PSI 0 "general_operand" "=a,?d,?*d,da") - (truncate:PSI (match_operand:SI 1 "general_operand" "m,?m,?*d,i")))] + (truncate:PSI (match_operand:SI 1 "psimode_truncation_operand" "m,?m,?*d,i")))] "" "@ mov %1,%0 @@ -1785,7 +1785,7 @@ (define_insn "" [(set (match_operand:PSI 0 "general_operand" "=d,d,a,da") (truncate:PSI - (ashift:SI (match_operand:SI 1 "general_operand" "d,m,m,i") + (ashift:SI (match_operand:SI 1 "psimode_truncation_operand" "d,m,m,i") (match_operand:HI 2 "const_int_operand" "i,i,i,i"))))] "" "* |