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inline asm: Accept 'R' constraint

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This is like 'r' but only accepts the eight legacy regs.  Currently
that's the same as 'r' because we don't support the high ones.
This commit is contained in:
Michael Matz 2016-07-11 19:45:51 +02:00
parent f6c1eb10e2
commit 75e8df126f
1 changed files with 2 additions and 0 deletions
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2
i386-asm.c
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@ -1011,6 +1011,7 @@ static inline int constraint_priority(const char *str)
pr = 2;
break;
case 'r':
case 'R':
case 'p':
pr = 3;
break;
@ -1181,6 +1182,7 @@ ST_FUNC void asm_compute_constraints(ASMOperand *operands,
}
goto try_next;
case 'r':
case 'R':
case 'p': /* A general address, for x86(64) any register is acceptable*/
/* any general register */
for(reg = 0; reg < 8; reg++) {