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re PR target/11183 ([arm] ICE in change_address_1 (3.3) / subreg_hard_regno (3.4))

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PR target/11183
* arm.h (CANNOT_CHANGE_MODE_CLASS): Define.

From-SVN: r67947
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Richard Earnshaw 2003-06-14 15:54:02 +00:00 committed by Richard Earnshaw
parent 3708da2ac5
commit 75d2580c0c
2 changed files with 11 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-06-14 Richard Earnshaw <rearnsha@arm.com>
PR target/11183
* arm.h (CANNOT_CHANGE_MODE_CLASS): Define.
2003-06-14 Roger Sayle <roger@eyesopen.com>
* opts.sh: Work around a mysterious feature in cygwin's gawk

6
gcc/config/arm/arm.h
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@ -1146,6 +1146,12 @@ enum reg_class
or could index an array. */
#define REGNO_REG_CLASS(REGNO) arm_regno_class (REGNO)
/* FPA registers can't do dubreg as all values are reformatted to internal
precision. */
#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
(GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \
? reg_classes_intersect_p (FPA_REGS, (CLASS)) : 0)
/* The class value for index registers, and the one for base regs. */
#define INDEX_REG_CLASS (TARGET_THUMB ? LO_REGS : GENERAL_REGS)
#define BASE_REG_CLASS (TARGET_THUMB ? LO_REGS : GENERAL_REGS)