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sh.md: Guard insn splits against illegal registers.

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* config/sh/sh.md: Guard insn splits against illegal registers.
	* config/sh/sh.h: Correct comment about macros.

From-SVN: r31994
This commit is contained in:
Andrew Haley 2000-02-15 23:25:28 +00:00 • committed by Joern Rennecke
parent cdd59e7bdf
commit f295bdb5eb
3 changed files with 10 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
* config/sh/sh.md: Guard insn splits against illegal registers.
* config/sh/sh.h: Correct comment about macros.
Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
Andrew MacLeod <amacleod@cygnus.com>

4
gcc/config/sh/sh.h
View file

@ -1269,9 +1269,7 @@ extern int current_function_anonymous_args;
/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
that is a valid memory address for an instruction.
The MODE argument is the machine mode for the MEM expression
that wants to use this address.
The other macros defined here are used only in GO_IF_LEGITIMATE_ADDRESS. */
that wants to use this address. */
#define MODE_DISP_OK_4(X,MODE) \
(GET_MODE_SIZE (MODE) == 4 && (unsigned) INTVAL (X) < 64 \

6
gcc/config/sh/sh.md
View file

@ -2768,7 +2768,8 @@
FAIL;
reg = XEXP (addr, 0);
const_int = XEXP (addr, 1);
if (GET_CODE (reg) != REG || GET_CODE (const_int) != CONST_INT)
if (! (BASE_REGISTER_RTX_P (reg) && INDEX_REGISTER_RTX_P (operands[2])
&& GET_CODE (const_int) == CONST_INT))
FAIL;
emit_move_insn (operands[2], const_int);
emit_move_insn (operands[0],
@ -2794,7 +2795,8 @@
FAIL;
reg = XEXP (addr, 0);
const_int = XEXP (addr, 1);
if (GET_CODE (reg) != REG || GET_CODE (const_int) != CONST_INT)
if (! (BASE_REGISTER_RTX_P (reg) && INDEX_REGISTER_RTX_P (operands[2])
&& GET_CODE (const_int) == CONST_INT))
FAIL;
emit_move_insn (operands[2], const_int);
emit_move_insn (change_address (operands[1], VOIDmode,