diff options
Diffstat (limited to 'contrib/gcc/emit-rtl.c')
| -rw-r--r-- | contrib/gcc/emit-rtl.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/contrib/gcc/emit-rtl.c b/contrib/gcc/emit-rtl.c index f6c6761..3510265 100644 --- a/contrib/gcc/emit-rtl.c +++ b/contrib/gcc/emit-rtl.c @@ -355,6 +355,14 @@ gen_rtx_CONST_INT (mode, arg) return (rtx) *slot; } +rtx +gen_int_mode (c, mode) + HOST_WIDE_INT c; + enum machine_mode mode; +{ + return GEN_INT (trunc_int_for_mode (c, mode)); +} + /* CONST_DOUBLEs needs special handling because their length is known only at run-time. */ @@ -831,6 +839,11 @@ gen_lowpart_common (mode, x) > ((xsize + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD))) return 0; + /* Don't allow generating paradoxical FLOAT_MODE subregs. */ + if (GET_MODE_CLASS (mode) == MODE_FLOAT + && GET_MODE (x) != VOIDmode && msize > xsize) + return 0; + offset = subreg_lowpart_offset (mode, GET_MODE (x)); if ((GET_CODE (x) == ZERO_EXTEND || GET_CODE (x) == SIGN_EXTEND) @@ -2161,6 +2174,7 @@ widen_memory_access (memref, mode, offset) /* Similarly for the decl. */ else if (DECL_P (expr) && DECL_SIZE_UNIT (expr) + && TREE_CODE (DECL_SIZE_UNIT (expr)) == INTEGER_CST && compare_tree_int (DECL_SIZE_UNIT (expr), size) >= 0 && (! memoffset || INTVAL (memoffset) >= 0)) break; @@ -5023,7 +5037,7 @@ init_emit_once (line_numbers) tries to use these variables. */ for (i = - MAX_SAVED_CONST_INT; i <= MAX_SAVED_CONST_INT; i++) const_int_rtx[i + MAX_SAVED_CONST_INT] = - gen_rtx_raw_CONST_INT (VOIDmode, i); + gen_rtx_raw_CONST_INT (VOIDmode, (HOST_WIDE_INT) i); ggc_add_rtx_root (const_int_rtx, 2 * MAX_SAVED_CONST_INT + 1); if (STORE_FLAG_VALUE >= - MAX_SAVED_CONST_INT |
