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additional avr32 fixes

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SVN-Revision: 25556
This commit is contained in:
Imre Kaloz 2011-02-16 15:26:08 +00:00
parent 82608a62ad
commit 667ac6c970
2 changed files with 47 additions and 0 deletions
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32
toolchain/gcc/patches/4.3.5/948-avr32_fix_reorg_opt_bug11763.patch Normal file
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@ -0,0 +1,32 @@
--- a/gcc/config/avr32/avr32.c
+++ b/gcc/config/avr32/avr32.c
@@ -6501,12 +6501,23 @@ avr32_reorg_optimization (void)
continue;
set = single_set (scan);
- if (set && rtx_equal_p (src_reg, SET_DEST (set)))
- {
- link = scan;
- break;
- }
-
+ // Fix for bug #11763 : the following if condition
+ // has been modified and else part is included to
+ // set the link to NULL_RTX.
+ // if (set && rtx_equal_p (src_reg, SET_DEST (set)))
+ if (set && (REGNO(src_reg) == REGNO(SET_DEST(set))))
+ {
+ if (rtx_equal_p (src_reg, SET_DEST (set)))
+ {
+ link = scan;
+ break;
+ }
+ else
+ {
+ link = NULL_RTX;
+ break;
+ }
+ }
}

15
toolchain/gcc/patches/4.3.5/949-avr32_nan_by_zero_div.patch Normal file
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@ -0,0 +1,15 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -1852,7 +1852,11 @@ __avr32_f64_div_res_subnormal:/* Divide
mov r10, 0
ldm sp++, r0, r1, r2, r3, r4, r5, r6, r7,pc
-17: /* Return INF. */
+17:
+ /* Check if op1 is zero. */
+ or r4, r10, r11
+ breq __avr32_f64_div_op1_zero
+ /* Return INF. */
mov r11, lr /*Get correct sign*/
andh r11, 0x8000, COH
orh r11, 0x7ff0