diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr55093.c | 80 |
4 files changed, 92 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 80c968c349b..d4622cc06ad 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-10-30 H.J. Lu <hongjiu.lu@intel.com> + + PR rtl-optimization/55093 + * rtlanal.c (simplify_subreg_regno): Remove lra_in_progress + check for ARG_POINTER_REGNUM. + 2012-10-30 Steve Ellcey <sellcey@mips.com> * config/mips/mti-linux.h (SYSROOT_SUFFIX_SPEC): Change order diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 43d4cb829bd..33be5487386 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -3494,10 +3494,7 @@ simplify_subreg_regno (unsigned int xregno, enum machine_mode xmode, return -1; if (FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM - /* We should convert arg register in LRA after the elimination - if it is possible. */ - && xregno == ARG_POINTER_REGNUM - && ! lra_in_progress) + && xregno == ARG_POINTER_REGNUM) return -1; if (xregno == STACK_POINTER_REGNUM diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b6dd6fc85c5..f984aa6b584 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2012-10-30 H.J. Lu <hongjiu.lu@intel.com> + PR rtl-optimization/55093 + * gcc.target/i386/pr55093.c: New file. + +2012-10-30 H.J. Lu <hongjiu.lu@intel.com> + * gcc.target/i386/pr55116.c: Renamed to ... * gcc.target/i386/pr55116-1.c: This. diff --git a/gcc/testsuite/gcc.target/i386/pr55093.c b/gcc/testsuite/gcc.target/i386/pr55093.c new file mode 100644 index 00000000000..76b4042302f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr55093.c @@ -0,0 +1,80 @@ +/* { dg-do compile { target { ! { ia32 } } } } */ +/* { dg-options "-O2 -mx32 -maddress-mode=long" } */ + +typedef union tree_node *tree; +typedef const union tree_node *const_tree; +typedef struct { + unsigned long long low; + long long high; +} double_int; +struct real_value { +}; +struct real_format { + int has_signed_zero; +}; +extern const struct real_format * real_format_for_mode[]; +extern int real_isnegzero (const struct real_value *); +enum tree_code { REAL_CST, SSA_NAME }; +struct tree_base { + enum tree_code code : 16; + union { + unsigned int version; + } + u; +}; +extern void tree_check_failed (const_tree, const char *, int, const char *, ...) __attribute__ ((__noreturn__)); +union tree_node { + struct tree_base base; +}; +inline tree tree_check (tree __t, const char *__f, int __l, const char *__g, enum tree_code __c) { + if (((enum tree_code) (__t)->base.code) != __c) + tree_check_failed (__t, __f, __l, __g, __c, 0); + return __t; +} +struct prop_value_d { + int lattice_val; + tree value; + double_int mask; +}; +typedef struct prop_value_d prop_value_t; +static prop_value_t *const_val; +static void canonicalize_float_value (prop_value_t *); +typedef void (*ssa_prop_visit_stmt_fn) (prop_value_t); +typedef void (*ssa_prop_visit_phi_fn) (void); +typedef void (*ssa_prop_fold_stmt_fn) (void *gsi); +typedef void (*ssa_prop_get_value_fn) ( prop_value_t *val); +void ssa_propagate (ssa_prop_visit_stmt_fn, ssa_prop_visit_phi_fn); +int substitute_and_fold (ssa_prop_get_value_fn, ssa_prop_fold_stmt_fn); +void ccp_fold_stmt (void *); +static void get_constant_value (prop_value_t *val) { + canonicalize_float_value (val); +} +static void canonicalize_float_value (prop_value_t *val) { + int mode; + struct real_value d; + if (val->lattice_val != 1 + || ((enum tree_code) (val->value)->base.code) != REAL_CST) + return; + mode = val->lattice_val; + if (real_format_for_mode[mode]->has_signed_zero && real_isnegzero (&d)) + ccp_fold_stmt (0); +} +static void set_lattice_value (tree var, prop_value_t new_val) { + prop_value_t *old_val = &const_val[(tree_check ((var), "", + 0, "", + (SSA_NAME)))->base.u.version]; + canonicalize_float_value (&new_val); + canonicalize_float_value (old_val); +} +static void ccp_visit_phi_node (void) { + prop_value_t new_val; + set_lattice_value (0, new_val); +} +static void ccp_visit_stmt (prop_value_t v) { + set_lattice_value (0, v); +} +unsigned int do_ssa_ccp (void) { + ssa_propagate (ccp_visit_stmt, ccp_visit_phi_node); + substitute_and_fold (get_constant_value, ccp_fold_stmt); + return 0; +} |