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(tablejump): Add SIGN_EXTEND to HImode offset so can add to SImode PC.

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Likewise for matching pattern.

From-SVN: r7938
This commit is contained in:
Richard Kenner 1994-08-17 18:03:02 -04:00
parent f79367423e
commit 9fb8a9748b
1 changed files with 4 additions and 2 deletions
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6
gcc/config/m68k/m68k.md
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@ -4492,7 +4492,8 @@
"
{
#ifdef CASE_VECTOR_PC_RELATIVE
operands[0] = gen_rtx (PLUS, SImode, pc_rtx, operands[0]);
operands[0] = gen_rtx (PLUS, SImode, pc_rtx,
gen_rtx (SIGN_EXTEND, SImode, operands[0]));
#endif
}")
@ -4512,7 +4513,8 @@
;; Jump to variable address from dispatch table of relative addresses.
(define_insn ""
[(set (pc)
(plus:SI (pc) (match_operand:HI 0 "register_operand" "r")))
(plus:SI (pc)
(sign_extend:SI (match_operand:HI 0 "register_operand" "r"))))
(use (label_ref (match_operand 1 "" "")))]
""
"*