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r217785 - in /trunk/gcc: ChangeLog config/rs600...
- From: trippels at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 19 Nov 2014 16:28:23 -0000
- Subject: r217785 - in /trunk/gcc: ChangeLog config/rs600...
Author: trippels
Date: Wed Nov 19 16:28:23 2014
New Revision: 217785
URL: https://gcc.gnu.org/viewcvs?rev=217785&root=gcc&view=rev
Log:
rs6000: Fix signed integer overflows
bootstrap-ubsan on gcc112 shows a couple of signed integer overflows:
config/rs6000/constraints.md:143:33: runtime error: signed integer overflow: 9223372036854775807 + 32768 cannot be represented in type 'long int'
config/rs6000/predicates.md:396:22: runtime error: signed integer overflow: 9223372036854775807 + 2147516416 cannot be represented in type 'long int'
config/rs6000/predicates.md:856:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:862:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:865:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:868:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:914:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:917:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:940:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:946:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:949:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:955:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
2014-11-19 Markus Trippelsdorf <markus@trippelsdorf.de>
* config/rs6000/constraints.md: Avoid signed integer overflows.
* config/rs6000/predicates.md: Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/constraints.md
trunk/gcc/config/rs6000/predicates.md