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(SECONDARY_INPUT_RELOAD_CLASS): Delete case for invalid PIC addresses.

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(SECONDARY_INPUT_RELOAD_CLASS): Delete case for invalid
PIC addresses.
(CONSTANT_ADDRESS_P): Reject invalid PIC addresses.
(LEGITIMATE_PIC_OPERAND_P): New macro.
(GO_IF_LEGITIMATE_ADDRESS): Reject invalid PIC addresses.
(LEGITIMIZE_ADDRESS): Fix call to legitimize_pic_address.

From-SVN: r5144
This commit is contained in:
Jim Wilson 1993-08-12 10:52:01 -07:00
parent d0fc7beaa2
commit 7aca9b9c4e
1 changed files with 16 additions and 7 deletions
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23
gcc/config/sparc/sparc.h
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@ -632,8 +632,7 @@ extern char leaf_reg_backmap[];
a paradoxical subreg in a float/fix conversion insn. */
#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, IN) \
(flag_pic && pic_address_needs_scratch (IN) ? GENERAL_REGS \
: ((CLASS) == FP_REGS && ((MODE) == HImode || (MODE) == QImode)\
(((CLASS) == FP_REGS && ((MODE) == HImode || (MODE) == QImode)\
&& (GET_CODE (IN) == MEM \
|| ((GET_CODE (IN) == REG || GET_CODE (IN) == SUBREG) \
&& true_regnum (IN) == -1))) ? GENERAL_REGS : NO_REGS)
@ -1120,12 +1119,20 @@ extern struct rtx_def *sparc_builtin_saveregs ();
#define MAX_REGS_PER_ADDRESS 2
/* Recognize any constant value that is a valid address. */
/* Recognize any constant value that is a valid address.
When PIC, we do not accept an address that would require a scratch reg
to load into a register. */
#define CONSTANT_ADDRESS_P(X) \
(GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \
|| GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \
|| GET_CODE (X) == HIGH)
|| GET_CODE (X) == CONST_INT || GET_CODE (X) == HIGH \
|| (GET_CODE (X) == CONST \
&& ! (flag_pic && pic_address_needs_scratch (X))))
/* Define this, so that when PIC, reload won't try to reload invalid
addresses which require two reload registers. */
#define LEGITIMATE_PIC_OPERAND_P(X) (! pic_address_needs_scratch (X))
/* Nonzero if the constant value X is a legitimate general operand.
Anything can be made to work except floating point constants. */
@ -1245,7 +1252,9 @@ extern struct rtx_def *sparc_builtin_saveregs ();
else if (flag_pic == 1 \
&& GET_CODE (op1) != REG \
&& GET_CODE (op1) != LO_SUM \
&& GET_CODE (op1) != MEM) \
&& GET_CODE (op1) != MEM \
&& (GET_CODE (op1) != CONST_INT \
|| SMALL_INT (op1))) \
goto ADDR; \
} \
else if (RTX_OK_FOR_BASE_P (op0)) \
@ -1304,7 +1313,7 @@ extern struct rtx_def *legitimize_pic_address ();
force_operand (XEXP (X, 1), NULL_RTX)); \
if (sparc_x != (X) && memory_address_p (MODE, X)) \
goto WIN; \
if (flag_pic) (X) = legitimize_pic_address (X, MODE, 0, 0); \
if (flag_pic) (X) = legitimize_pic_address (X, MODE, 0); \
else if (GET_CODE (X) == PLUS && CONSTANT_ADDRESS_P (XEXP (X, 1))) \
(X) = gen_rtx (PLUS, Pmode, XEXP (X, 0), \
copy_to_mode_reg (Pmode, XEXP (X, 1))); \