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(LEGITIMATE_BASE_REG_P): New macro. 

(INDIRECTABLE_1_ADDRESS_P, GO_IF_INDEXABLE_BASE,
LEGITIMATE_INDEX_REG_P): Accept SUBREG everywhere REG is accepted.

From-SVN: r4863
This commit is contained in:
Jim Wilson 1993-07-06 13:45:59 -07:00
parent b165d4711a
commit 22291e2f95
1 changed files with 18 additions and 6 deletions
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24
gcc/config/m68k/m68k.h
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@ -1120,14 +1120,23 @@ __transfer_from_trampoline () \
The other macros defined here are used only in GO_IF_LEGITIMATE_ADDRESS. */
/* Allow SUBREG everywhere we allow REG. This results in better code. It
also makes function inlining work when inline functions are called with
arguments that are SUBREGs. */
#define LEGITIMATE_BASE_REG_P(X) \
((GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) \
|| (GET_CODE (X) == SUBREG \
&& GET_CODE (SUBREG_REG (X)) == REG \
&& REG_OK_FOR_BASE_P (SUBREG_REG (X))))
#define INDIRECTABLE_1_ADDRESS_P(X) \
((CONSTANT_ADDRESS_P (X) && (!flag_pic || LEGITIMATE_PIC_OPERAND_P (X))) \
|| (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) \
|| LEGITIMATE_BASE_REG_P (X) \
|| ((GET_CODE (X) == PRE_DEC || GET_CODE (X) == POST_INC) \
&& REG_P (XEXP (X, 0)) \
&& REG_OK_FOR_BASE_P (XEXP (X, 0))) \
&& LEGITIMATE_BASE_REG_P (XEXP (X, 0))) \
|| (GET_CODE (X) == PLUS \
&& REG_P (XEXP (X, 0)) && REG_OK_FOR_BASE_P (XEXP (X, 0)) \
&& LEGITIMATE_BASE_REG_P (XEXP (X, 0)) \
&& GET_CODE (XEXP (X, 1)) == CONST_INT \
&& ((unsigned) INTVAL (XEXP (X, 1)) + 0x8000) < 0x10000) \
|| (GET_CODE (X) == PLUS && XEXP (X, 0) == pic_offset_table_rtx \
@ -1156,7 +1165,7 @@ __transfer_from_trampoline () \
&& (GET_CODE (PATTERN (temp)) == ADDR_VEC \
|| GET_CODE (PATTERN (temp)) == ADDR_DIFF_VEC)) \
goto ADDR; \
if (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) goto ADDR; }
if (LEGITIMATE_BASE_REG_P (X)) goto ADDR; }
#define GO_IF_INDEXING(X, ADDR) \
{ if (GET_CODE (X) == PLUS && LEGITIMATE_INDEX_P (XEXP (X, 0))) \
@ -1179,7 +1188,10 @@ __transfer_from_trampoline () \
|| (GET_CODE (X) == SIGN_EXTEND \
&& GET_CODE (XEXP (X, 0)) == REG \
&& GET_MODE (XEXP (X, 0)) == HImode \
&& REG_OK_FOR_INDEX_P (XEXP (X, 0))))
&& REG_OK_FOR_INDEX_P (XEXP (X, 0))) \
|| (GET_CODE (X) == SUBREG \
&& GET_CODE (SUBREG_REG (X)) == REG \
&& REG_OK_FOR_INDEX_P (SUBREG_REG (X))))
#define LEGITIMATE_INDEX_P(X) \
(LEGITIMATE_INDEX_REG_P (X) \