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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2014-08-28 06:24:03 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2014-08-28 06:24:03 +0000 |
| commit | 6c0cda9157f9cf2b2394e99a0be9079e9743eb7c (patch) | |
| tree | 25f0805d73871b5eb9bd6d14cc30a8e59f40de80 /gcc | |
| parent | a36a1928e2b23355618c68a2d8d7e5a17b827df8 (diff) | |
| download | gcc-6c0cda9157f9cf2b2394e99a0be9079e9743eb7c.zip gcc-6c0cda9157f9cf2b2394e99a0be9079e9743eb7c.tar.gz gcc-6c0cda9157f9cf2b2394e99a0be9079e9743eb7c.tar.bz2 | |
reg-stack.c: Include rtl-iter.h.
gcc/
* reg-stack.c: Include rtl-iter.h.
(subst_stack_regs_in_debug_insn): Delete.
(subst_all_stack_regs_in_debug_insn): Use FOR_EACH_SUBRTX_PTR
instead of for_each_rtx.
From-SVN: r214650
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/reg-stack.c | 53 |
2 files changed, 28 insertions, 32 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1c5aaf9..20dedc9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2014-08-28 Richard Sandiford <rdsandiford@googlemail.com> + * reg-stack.c: Include rtl-iter.h. + (subst_stack_regs_in_debug_insn): Delete. + (subst_all_stack_regs_in_debug_insn): Use FOR_EACH_SUBRTX_PTR + instead of for_each_rtx. + +2014-08-28 Richard Sandiford <rdsandiford@googlemail.com> + * lower-subreg.c (find_decomposable_subregs): Turn from being a for_each_rtx callback to being a function that examines each subrtx itself. Remove handling of null rtxes. diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 3dabe30..af8e3cd 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -170,6 +170,7 @@ #include "target.h" #include "df.h" #include "emit-rtl.h" /* FIXME: Can go away once crtl is moved to rtl.h. */ +#include "rtl-iter.h" #ifdef STACK_REGS @@ -1308,31 +1309,6 @@ compare_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx pat_src) } } -/* Substitute new registers in LOC, which is part of a debug insn. - REGSTACK is the current register layout. */ - -static int -subst_stack_regs_in_debug_insn (rtx *loc, void *data) -{ - stack_ptr regstack = (stack_ptr)data; - int hard_regno; - - if (!STACK_REG_P (*loc)) - return 0; - - hard_regno = get_hard_regnum (regstack, *loc); - - /* If we can't find an active register, reset this debug insn. */ - if (hard_regno == -1) - return 1; - - gcc_assert (hard_regno >= FIRST_STACK_REG); - - replace_reg (loc, hard_regno); - - return -1; -} - /* Substitute hardware stack regs in debug insn INSN, using stack layout REGSTACK. If we can't find a hardware stack reg for any of the REGs in it, reset the debug insn. */ @@ -1340,14 +1316,27 @@ subst_stack_regs_in_debug_insn (rtx *loc, void *data) static void subst_all_stack_regs_in_debug_insn (rtx_insn *insn, struct stack_def *regstack) { - int ret = for_each_rtx (&INSN_VAR_LOCATION_LOC (insn), - subst_stack_regs_in_debug_insn, - regstack); + subrtx_ptr_iterator::array_type array; + FOR_EACH_SUBRTX_PTR (iter, array, &INSN_VAR_LOCATION_LOC (insn), NONCONST) + { + rtx *loc = *iter; + rtx x = *loc; + if (STACK_REG_P (x)) + { + int hard_regno = get_hard_regnum (regstack, x); - if (ret == 1) - INSN_VAR_LOCATION_LOC (insn) = gen_rtx_UNKNOWN_VAR_LOC (); - else - gcc_checking_assert (ret == 0); + /* If we can't find an active register, reset this debug insn. */ + if (hard_regno == -1) + { + INSN_VAR_LOCATION_LOC (insn) = gen_rtx_UNKNOWN_VAR_LOC (); + return; + } + + gcc_assert (hard_regno >= FIRST_STACK_REG); + replace_reg (loc, hard_regno); + iter.skip_subrtxes (); + } + } } /* Substitute new registers in PAT, which is part of INSN. REGSTACK |