diff options
Diffstat (limited to 'gcc/resource.c')
| -rw-r--r-- | gcc/resource.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/gcc/resource.c b/gcc/resource.c index 2aab94c..8e3bf8d 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -616,7 +616,7 @@ find_dead_or_set_registers (rtx target, struct resources *res, /* Given X, a part of an insn, and a pointer to a `struct resource', RES, indicate which resources are modified by the insn. If MARK_TYPE is MARK_SRC_DEST_CALL, also mark resources potentially - set by the called routine. If MARK_TYPE is MARK_DEST, only mark SET_DESTs + set by the called routine. If IN_DEST is nonzero, it means we are inside a SET. Otherwise, objects are being referenced instead of set. @@ -716,8 +716,7 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, || GET_CODE (SET_SRC (x)) != CALL), mark_type); - if (mark_type != MARK_DEST) - mark_set_resources (SET_SRC (x), res, 0, MARK_SRC_DEST); + mark_set_resources (SET_SRC (x), res, 0, MARK_SRC_DEST); return; case CLOBBER: @@ -747,12 +746,9 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, case SIGN_EXTRACT: case ZERO_EXTRACT: - if (! (mark_type == MARK_DEST && in_dest)) - { - mark_set_resources (XEXP (x, 0), res, in_dest, MARK_SRC_DEST); - mark_set_resources (XEXP (x, 1), res, 0, MARK_SRC_DEST); - mark_set_resources (XEXP (x, 2), res, 0, MARK_SRC_DEST); - } + mark_set_resources (XEXP (x, 0), res, in_dest, MARK_SRC_DEST); + mark_set_resources (XEXP (x, 1), res, 0, MARK_SRC_DEST); + mark_set_resources (XEXP (x, 2), res, 0, MARK_SRC_DEST); return; case MEM: @@ -799,13 +795,6 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, } return; - case STRICT_LOW_PART: - if (! (mark_type == MARK_DEST && in_dest)) - { - mark_set_resources (XEXP (x, 0), res, 0, MARK_SRC_DEST); - return; - } - case UNSPEC_VOLATILE: case ASM_INPUT: /* Traditional asm's are always volatile. */ |