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| author | Alexandre Oliva <aoliva@redhat.com> | 2000-11-23 06:20:16 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2000-11-23 06:20:16 +0000 |
| commit | 43c05634539cbdb4162ac6e067891e8f01ac2f62 (patch) | |
| tree | f8110cfbc374f4abd66b6b9a9615c8f25897ba28 | |
| parent | 5e18f6d629b6956b5e669921073fe951f93d1fac (diff) | |
| download | gcc-43c05634539cbdb4162ac6e067891e8f01ac2f62.zip gcc-43c05634539cbdb4162ac6e067891e8f01ac2f62.tar.gz gcc-43c05634539cbdb4162ac6e067891e8f01ac2f62.tar.bz2 | |
sh.md (mova_const): New pattern.
* config/sh/sh.md (mova_const): New pattern.
(GOTaddr2picreg): Use it.
* config/sh/sh.c (broken_move): Match it.
(mova_p): Don't match it.
(machine_dependent_reorg): Adjust it.
From-SVN: r37690
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 21 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 13 |
3 files changed, 31 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3ea935b..3bb689c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (mova_const): New pattern. + (GOTaddr2picreg): Use it. + * config/sh/sh.c (broken_move): Match it. + (mova_p): Don't match it. + (machine_dependent_reorg): Adjust it. + Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com> * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 8087eda..e41ae32 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -2071,7 +2071,11 @@ broken_move (insn) /* We can load any 8 bit value if we don't care what the high order bits end up as. */ && GET_MODE (SET_DEST (pat)) != QImode - && CONSTANT_P (SET_SRC (pat)) + && (CONSTANT_P (SET_SRC (pat)) + /* Match mova_const. */ + || (GET_CODE (SET_SRC (pat)) == UNSPEC + && XINT (SET_SRC (pat), 1) == UNSPEC_MOVA + && GET_CODE (XVECEXP (SET_SRC (pat), 0, 0)) == CONST)) && ! (TARGET_SH3E && GET_CODE (SET_SRC (pat)) == CONST_DOUBLE && (fp_zero_operand (SET_SRC (pat)) @@ -2097,7 +2101,9 @@ mova_p (insn) return (GET_CODE (insn) == INSN && GET_CODE (PATTERN (insn)) == SET && GET_CODE (SET_SRC (PATTERN (insn))) == UNSPEC - && XINT (SET_SRC (PATTERN (insn)), 1) == UNSPEC_MOVA); + && XINT (SET_SRC (PATTERN (insn)), 1) == UNSPEC_MOVA + /* Don't match mova_const. */ + && XVECEXP (SET_SRC (PATTERN (insn)), 0, 0) == LABEL_REF); } /* Find the last barrier from insn FROM which is close enough to hold the @@ -3280,14 +3286,11 @@ machine_dependent_reorg (first) XEXP (clobber, 0) = gen_rtx_SCRATCH (Pmode); } /* This is a mova needing a label. Create it. */ - else if (GET_CODE (src) == CONST - && GET_CODE (XEXP (src, 0)) == UNSPEC - && XINT (XEXP (src, 0), 1) == UNSPEC_MOVA - && GET_CODE (XVECEXP (XEXP (src, 0), - 0, 0)) == CONST) + else if (GET_CODE (src) == UNSPEC + && XINT (src, 1) == UNSPEC_MOVA + && GET_CODE (XVECEXP (src, 0, 0)) == CONST) { - lab = add_constant (XVECEXP (XEXP (src, 0), - 0, 0), mode, 0); + lab = add_constant (XVECEXP (src, 0, 0), mode, 0); newsrc = gen_rtx_LABEL_REF (VOIDmode, lab); newsrc = gen_rtx_UNSPEC (VOIDmode, gen_rtvec (1, newsrc), diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index c09775e..34649e0 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -3570,10 +3570,19 @@ [(set_attr "in_delay_slot" "no") (set_attr "type" "arith")]) +;; machine_dependent_reorg() will make this a `mova'. +(define_insn "mova_const" + [(set (reg:SI R0_REG) + (unspec [(match_operand 0 "immediate_operand" "i")] 1))] + "" + "#" + [(set_attr "in_delay_slot" "no") + (set_attr "type" "arith")]) + (define_expand "GOTaddr2picreg" [(set (reg:SI R0_REG) - (const (unspec [(const (unspec [(match_dup 1)] UNSPEC_PIC))] - UNSPEC_MOVA))) + (unspec [(const (unspec [(match_dup 1)] UNSPEC_PIC))] + UNSPEC_MOVA)) (set (match_dup 0) (const (unspec [(match_dup 1)] UNSPEC_PIC))) (set (match_dup 0) (plus:SI (match_dup 0) (reg:SI R0_REG)))] "" " |