diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/constraints.md | 2 | ||||
| -rw-r--r-- | gcc/config/rs6000/predicates.md | 12 |
3 files changed, 12 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e20f8cb..aeb8fad 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-11-19 Markus Trippelsdorf <markus@trippelsdorf.de> + + * config/rs6000/constraints.md: Avoid signed integer overflows. + * config/rs6000/predicates.md: Likewise. + 2014-11-19 Renlin Li <Renlin.Li@arm.com> PR middle-end/63762 diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md index b8800e6..0e0e517 100644 --- a/gcc/config/rs6000/constraints.md +++ b/gcc/config/rs6000/constraints.md @@ -140,7 +140,7 @@ (define_constraint "I" "A signed 16-bit constant" (and (match_code "const_int") - (match_test "(unsigned HOST_WIDE_INT) (ival + 0x8000) < 0x10000"))) + (match_test "((unsigned HOST_WIDE_INT) ival + 0x8000) < 0x10000"))) (define_constraint "J" "high-order 16 bits nonzero" diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md index de7fa4e..1767cbd 100644 --- a/gcc/config/rs6000/predicates.md +++ b/gcc/config/rs6000/predicates.md @@ -392,8 +392,8 @@ ;; Return 1 if op is a constant integer valid for addition with addis, addi. (define_predicate "add_cint_operand" (and (match_code "const_int") - (match_test "(unsigned HOST_WIDE_INT) - (INTVAL (op) + (mode == SImode ? 0x80000000 : 0x80008000)) + (match_test "((unsigned HOST_WIDE_INT) INTVAL (op) + + (mode == SImode ? 0x80000000 : 0x80008000)) < (unsigned HOST_WIDE_INT) 0x100000000ll"))) ;; Return 1 if op is a constant integer valid for addition @@ -827,7 +827,7 @@ (define_predicate "mask_operand" (match_code "const_int") { - HOST_WIDE_INT c, lsb; + unsigned HOST_WIDE_INT c, lsb; c = INTVAL (op); @@ -872,7 +872,7 @@ (define_predicate "mask_operand_wrap" (match_code "const_int") { - HOST_WIDE_INT c, lsb; + unsigned HOST_WIDE_INT c, lsb; c = INTVAL (op); @@ -897,7 +897,7 @@ (define_predicate "mask64_operand" (match_code "const_int") { - HOST_WIDE_INT c, lsb; + unsigned HOST_WIDE_INT c, lsb; c = INTVAL (op); @@ -923,7 +923,7 @@ (define_predicate "mask64_2_operand" (match_code "const_int") { - HOST_WIDE_INT c, lsb; + unsigned HOST_WIDE_INT c, lsb; c = INTVAL (op); |