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arm.c (arm_legitimate_index_p): For QImode the range of an offset is -4095...+4095 inclusive.

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* arm.c (arm_legitimate_index_p): For QImode the range of an offset
is -4095...+4095 inclusive.

From-SVN: r78429
This commit is contained in:
Richard Earnshaw 2004-02-25 12:30:13 +00:00 committed by Richard Earnshaw
parent 94b18ec10c
commit e1471c91b8
2 changed files with 9 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-02-25 Richard Earnshaw <rearnsha@arm.com>
* arm.c (arm_legitimate_index_p): For QImode the range of an offset
is -4095...+4095 inclusive.
2004-02-25 Eric Botcazou <ebotcazou@libertysurf.fr>
* doc/install.texi (sparc-sun-solaris2* specific notes): Document

6
gcc/config/arm/arm.c
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@ -2979,8 +2979,10 @@ arm_legitimate_index_p (enum machine_mode mode, rtx index, int strict_p)
load, but that has a restricted addressing range and we are unable
to tell here whether that is the case. To be safe we restrict all
loads to that range. */
range = ((mode) == HImode || (mode) == QImode)
? (arm_arch4 ? 256 : 4095) : 4096;
if (arm_arch4)
range = (mode == HImode || mode == QImode) ? 256 : 4096;
else
range = (mode == HImode) ? 4095 : 4096;
return (code == CONST_INT
&& INTVAL (index) < range