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| author | Richard Stallman <rms@gnu.org> | 1993-05-30 01:12:29 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-05-30 01:12:29 +0000 |
| commit | ae98fe096541c1e0c7fcf776d267dcbb3f6844b6 (patch) | |
| tree | 230ff9411285ef37b7ff7408d8aeb61ae81343f7 /gcc | |
| parent | 7677ffa441be09b532d01eb5b0ee6cc5c2322375 (diff) | |
| download | gcc-ae98fe096541c1e0c7fcf776d267dcbb3f6844b6.zip gcc-ae98fe096541c1e0c7fcf776d267dcbb3f6844b6.tar.gz gcc-ae98fe096541c1e0c7fcf776d267dcbb3f6844b6.tar.bz2 | |
(movdf for const_double): Handle loading a CONST_DOUBLE into general registers.
(movdf for const_double): Handle loading
a CONST_DOUBLE into general registers.
(movsf for const_double): Likewise.
From-SVN: r4594
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/pa/pa.md | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md index 33e45be..6bce6d7 100644 --- a/gcc/config/pa/pa.md +++ b/gcc/config/pa/pa.md @@ -1348,16 +1348,23 @@ ;; Floating point move insns ;; This pattern forces (set (reg:DF ...) (const_double ...)) -;; to be reloaded by putting the constant into memory. -;; It must come before the more general movdf pattern. -(define_insn "" - [(set (match_operand:DF 0 "general_operand" "=fx") - (match_operand:DF 1 "" "m"))] +;; to be reloaded by putting the constant into memory when +;; reg is a floating point register. +;; +;; For integer registers we use ldil;ldo to set the appropriate +;; value. +;; +;; This must come before the movdf pattern, and it must be present +;; to handle obscure reloading cases. +(define_insn "" + [(set (match_operand:DF 0 "general_operand" "=?r,fx") + (match_operand:DF 1 "" "?E,m"))] "GET_CODE (operands[1]) == CONST_DOUBLE && operands[1] != CONST0_RTX (DFmode)" - "fldds%F1 %1,%0" - [(set_attr "type" "fpload") - (set_attr "length" "1")]) + "* return (which_alternative == 0 ? output_move_double (operands) + : \" fldds%F1 %1,%0\");" + [(set_attr "type" "move,fpload") + (set_attr "length" "4,1")]) (define_expand "movdf" [(set (match_operand:DF 0 "general_operand" "") @@ -1522,6 +1529,25 @@ ;; is not an "arith_operand". [(set_attr "length" "1,2")]) +;; This pattern forces (set (reg:SF ...) (const_double ...)) +;; to be reloaded by putting the constant into memory when +;; reg is a floating point register. +;; +;; For integer registers we use ldil;ldo to set the appropriate +;; value. +;; +;; This must come before the movsf pattern, and it must be present +;; to handle obscure reloading cases. +(define_insn "" + [(set (match_operand:SF 0 "general_operand" "=?r,fx") + (match_operand:SF 1 "" "?E,m"))] + "GET_CODE (operands[1]) == CONST_DOUBLE + && operands[1] != CONST0_RTX (SFmode)" + "* return (which_alternative == 0 ? singlemove_string (operands) + : \" fldws%F1 %1,%0\");" + [(set_attr "type" "move,fpload") + (set_attr "length" "2,1")]) + (define_expand "movsf" [(set (match_operand:SF 0 "general_operand" "") (match_operand:SF 1 "general_operand" ""))] |