diff options
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 82eccf433b3..91fe437a973 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -81,7 +81,7 @@ rtx_unstable_p (rtx x) switch (code) { case MEM: - return ! RTX_UNCHANGING_P (x) || rtx_unstable_p (XEXP (x, 0)); + return !MEM_READONLY_P (x) || rtx_unstable_p (XEXP (x, 0)); case CONST: case CONST_INT: @@ -95,8 +95,7 @@ rtx_unstable_p (rtx x) /* As in rtx_varies_p, we have to use the actual rtx, not reg number. */ if (x == frame_pointer_rtx || x == hard_frame_pointer_rtx /* The arg pointer varies if it is not a fixed register. */ - || (x == arg_pointer_rtx && fixed_regs[ARG_POINTER_REGNUM]) - || RTX_UNCHANGING_P (x)) + || (x == arg_pointer_rtx && fixed_regs[ARG_POINTER_REGNUM])) return 0; #ifndef PIC_OFFSET_TABLE_REG_CALL_CLOBBERED /* ??? When call-clobbered, the value is stable modulo the restore @@ -156,7 +155,7 @@ rtx_varies_p (rtx x, int for_alias) switch (code) { case MEM: - return ! RTX_UNCHANGING_P (x) || rtx_varies_p (XEXP (x, 0), for_alias); + return !MEM_READONLY_P (x) || rtx_varies_p (XEXP (x, 0), for_alias); case CONST: case CONST_INT: @@ -1027,7 +1026,7 @@ modified_between_p (rtx x, rtx start, rtx end) return 1; case MEM: - if (RTX_UNCHANGING_P (x)) + if (MEM_READONLY_P (x)) return 0; if (modified_between_p (XEXP (x, 0), start, end)) return 1; @@ -1085,7 +1084,7 @@ modified_in_p (rtx x, rtx insn) return 1; case MEM: - if (RTX_UNCHANGING_P (x)) + if (MEM_READONLY_P (x)) return 0; if (modified_in_p (XEXP (x, 0), insn)) return 1; |