diff options
Diffstat (limited to 'gcc/varasm.c')
| -rwxr-xr-x | gcc/varasm.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index 5020b22..5192b24 100755 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -1833,10 +1833,15 @@ immed_real_const_1 (d, mode) /* Search the chain for an existing CONST_DOUBLE with the right value. If one is found, return it. */ - for (r = const_double_chain; r; r = CONST_DOUBLE_CHAIN (r)) - if (! memcmp ((char *) &CONST_DOUBLE_LOW (r), (char *) &u, sizeof u) - && GET_MODE (r) == mode) - return r; + for (r = const_double_chain; r; r = CONST_DOUBLE_CHAIN (r)) + { + for (int i = 0; i < sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT); i++) + if (u.i[i] != XWINT(r, 2 + i)) + goto not_match; + if (GET_MODE(r) == mode) + return r; + not_match: ; + } /* No; make a new one and add it to the chain. @@ -1850,7 +1855,8 @@ immed_real_const_1 (d, mode) rtl_in_saveable_obstack (); r = rtx_alloc (CONST_DOUBLE); PUT_MODE (r, mode); - copy_memory ((char *) &u, (char *) &CONST_DOUBLE_LOW (r), sizeof u); + for (int i = 0; i < sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT); i++) + XWINT(r, 2 + i) = u.i[i]; pop_obstacks (); /* Don't touch const_double_chain in nested function; see force_const_mem. @@ -2967,8 +2973,8 @@ decode_rtx_const (mode, x, value) if (GET_MODE (x) != VOIDmode) { value->mode = GET_MODE (x); - copy_memory ((char *) &CONST_DOUBLE_LOW (x), - (char *) &value->un.du, sizeof value->un.du); + for (int i = 0; i < sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT); i++) + value->un.du.i[i] = XWINT(x, 2 + i); } else { @@ -3391,8 +3397,10 @@ output_constant_pool (fnname, fndecl) case MODE_FLOAT: if (GET_CODE (x) != CONST_DOUBLE) abort (); + + for (int i = 0; i < sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT); i++) + u.i[i] = XWINT(x, 2 + i); - copy_memory ((char *) &CONST_DOUBLE_LOW (x), (char *) &u, sizeof u); assemble_real (u.d, pool->mode); break; |