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(movsi): Add special handling for constants which are illegal addresses when pic. 

(movsi): Add special handling for constants which are
illegal addresses when pic.
(tablejump_internal1, tablejump_internal2): Emit .cpadd when
TARGET_ABICALLS.  Adjust length to include .cpadd.

From-SVN: r6850
This commit is contained in:
Jim Wilson 1994-03-22 16:03:38 -08:00
parent 5de1e2cef4
commit 5a5b76a224
1 changed files with 36 additions and 4 deletions
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40
gcc/config/mips/mips.md
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@ -2769,6 +2769,20 @@ move\\t%0,%z4\\n\\
""
"
{
/* If operands[1] is a constant address illegal for pic, then we need to
handle it just like LEGITIMIZE_ADDRESS does. */
if (flag_pic && pic_address_needs_scratch (operands[1]))
{
rtx temp = force_reg (SImode, XEXP (XEXP (operands[1], 0), 0));
rtx temp2 = XEXP (XEXP (operands[1], 0), 1);
if (! SMALL_INT (temp2))
temp2 = force_reg (SImode, temp2);
emit_move_insn (operands[0], gen_rtx (PLUS, SImode, temp, temp2));
DONE;
}
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], SImode)
&& !register_operand (operands[1], SImode)
@ -5350,20 +5364,38 @@ move\\t%0,%z4\\n\\
(match_operand:SI 0 "register_operand" "d"))
(use (label_ref (match_operand 1 "" "")))]
"!TARGET_LONG64"
"%*j\\t%0"
"*
{
/* .cpadd expands to add REG,REG,$gp when pic, and nothing when not pic. */
if (TARGET_ABICALLS)
output_asm_insn (\".cpadd\\t%0\", operands);
return \"%*j\\t%0\";
}"
[(set_attr "type" "jump")
(set_attr "mode" "none")
(set_attr "length" "1")])
(set (attr "length")
(if_then_else (eq_attr "abicalls" "yes")
(const_int 2)
(const_int 1)))])
(define_insn "tablejump_internal2"
[(set (pc)
(match_operand:DI 0 "register_operand" "d"))
(use (label_ref (match_operand 1 "" "")))]
"TARGET_LONG64"
"%*j\\t%0"
"*
{
/* .cpdadd expands to dadd REG,REG,$gp when pic, and nothing when not pic. */
if (TARGET_ABICALLS)
output_asm_insn (\".cpdadd\\t%0\", operands);
return \"%*j\\t%0\";
}"
[(set_attr "type" "jump")
(set_attr "mode" "none")
(set_attr "length" "1")])
(set (attr "length")
(if_then_else (eq_attr "abicalls" "yes")
(const_int 2)
(const_int 1)))])
;; Function return, only allow after optimization, so that we can
;; eliminate jumps to jumps if no stack space is used.