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pa.md (const_double -> FP pattern): Remove cases which can neve happen anymore. 

* pa.md (const_double -> FP pattern): Remove cases which can neve
	happen anymore.

From-SVN: r3509
This commit is contained in:
Jeff Law 1993-02-21 11:08:55 -07:00
parent d6c0d37780
commit 99efce9d6b
1 changed files with 5 additions and 26 deletions
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31
gcc/config/pa/pa.md
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@ -1164,27 +1164,14 @@
;; 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.
;; In the 3rd alternative case -- we know we will not be using a
;; general register, so we can be sure length is just 1.
(define_insn ""
[(set (match_operand:DF 0 "general_operand" "=?r,r,fx")
(match_operand:DF 1 "" "?E,G,m"))]
[(set (match_operand:DF 0 "general_operand" "=fx")
(match_operand:DF 1 "" "m"))]
"GET_CODE (operands[1]) == CONST_DOUBLE
&& operands[1] != CONST0_RTX (DFmode)"
"*
{
switch (which_alternative)
{
case 0:
return output_move_double (operands);
case 1:
return \"copy 0,%0\;copy 0,%R0\";
case 2:
return output_fp_move_double (operands);
}
}"
[(set_attr "type" "load,move,fpload")
(set_attr "length" "3,2,1")])
"fldds%F1 %1,%0"
[(set_attr "type" "fpload")
(set_attr "length" "1")])
(define_expand "movdf"
[(set (match_operand:DF 0 "general_operand" "")
@ -1504,8 +1491,6 @@
;; This pattern forces (set (reg:SF ...) (float:SF (const_int ...)))
;; to be reloaded by putting the constant into memory.
;; It must come before the more general floatsisf2 pattern.
;; Note length will always be 2 since we know we are loading
;; operand 1 from memory and the target is a FP register.
(define_insn ""
[(set (match_operand:SF 0 "general_operand" "=fx")
(float:SF (match_operand:SI 1 "const_int_operand" "m")))]
@ -1514,8 +1499,6 @@
[(set_attr "type" "fpalu")
(set_attr "length" "2")])
;; Note length will always be 1 since we only allow FP registers
;; for the source and target.
(define_insn "floatsisf2"
[(set (match_operand:SF 0 "general_operand" "=fx")
(float:SF (match_operand:SI 1 "register_operand" "fx")))]
@ -1527,8 +1510,6 @@
;; This pattern forces (set (reg:DF ...) (float:DF (const_int ...)))
;; to be reloaded by putting the constant into memory.
;; It must come before the more general floatsidf2 pattern.
;; Note length will always be 2 since we know we are loading
;; operand 1 from memory and the target is a FP register.
(define_insn ""
[(set (match_operand:DF 0 "general_operand" "=fx")
(float:DF (match_operand:SI 1 "const_int_operand" "m")))]
@ -1537,8 +1518,6 @@
[(set_attr "type" "fpalu")
(set_attr "length" "2")])
;; Note length will always be 1 since we only allow FP registers
;; for the source and target.
(define_insn "floatsidf2"
[(set (match_operand:DF 0 "general_operand" "=fx")
(float:DF (match_operand:SI 1 "register_operand" "fx")))]