diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/rtl.h | 26 |
2 files changed, 34 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index baaf05c..d2db5c9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,15 @@ +2014-08-19 David Malcolm <dmalcolm@redhat.com> + + * rtl.h (PREV_INSN): Convert to an inline function. Strengthen + the return type from rtx to rtx_insn *, which will enable various + conversions in followup patches. For now this is is done by a + checked cast. + (NEXT_INSN): Likewise. + (SET_PREV_INSN): Convert to an inline function. This is intended + for use as an lvalue, and so returns an rtx& to allow in-place + modification. + (SET_NEXT_INSN): Likewise. + 2014-07-08 Mark Wielaard <mjw@redhat.com> PR debug/59051 @@ -972,15 +972,33 @@ extern void rtl_check_failed_flag (const char *, const_rtx, const char *, (RTL_INSN_CHAIN_FLAG_CHECK ("INSN_UID", (INSN))->u2.insn_uid) /* Chain insns together in sequence. */ + /* For now these are split in two: an rvalue form: PREV_INSN/NEXT_INSN and an lvalue form: SET_NEXT_INSN/SET_PREV_INSN. */ -#define PREV_INSN(INSN) XEXP ((const_rtx)(INSN), 0) -#define SET_PREV_INSN(INSN) XEXP (INSN, 0) -#define NEXT_INSN(INSN) XEXP ((const_rtx)(INSN), 1) -#define SET_NEXT_INSN(INSN) XEXP (INSN, 1) +inline rtx_insn *PREV_INSN (const_rtx insn) +{ + rtx prev = XEXP (insn, 0); + return safe_as_a <rtx_insn *> (prev); +} + +inline rtx& SET_PREV_INSN (rtx insn) +{ + return XEXP (insn, 0); +} + +inline rtx_insn *NEXT_INSN (const_rtx insn) +{ + rtx next = XEXP (insn, 1); + return safe_as_a <rtx_insn *> (next); +} + +inline rtx& SET_NEXT_INSN (rtx insn) +{ + return XEXP (insn, 1); +} #define BLOCK_FOR_INSN(INSN) XBBDEF (INSN, 2) |