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| author | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-14 17:21:43 +0000 |
|---|---|---|
| committer | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-14 17:21:43 +0000 |
| commit | e1ed78c8fd21c298d049b223765cf1da3854bf6d (patch) | |
| tree | 03c55dbffafa1e073bc6036b1d3061203f89164c /gcc/resource.c | |
| parent | 9d853199c08287dff431bace6fffd57c1d46a118 (diff) | |
| download | gcc-e1ed78c8fd21c298d049b223765cf1da3854bf6d.tar.gz | |
* resource.h (struct resources): Remove unch_memory member.
(CLEAR_RESOURCE): Don't clear unch_memory.
* resource.c (mark_referenced_resources): Don't set it.
(mark_set_resources): Likewise.
(mark_target_live_regs): Don't clear it.
(init_resource_info): Likewise.
* reorg.c (resource_conflicts_p): Don't compare it.
(redundant_insn): Don't set it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198895 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/resource.c')
| -rw-r--r-- | gcc/resource.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/gcc/resource.c b/gcc/resource.c index 6051313732e..a0fd2ec4e69 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -240,9 +240,7 @@ mark_referenced_resources (rtx x, struct resources *res, case MEM: /* If this memory shouldn't change, it really isn't referencing memory. */ - if (MEM_READONLY_P (x)) - res->unch_memory = 1; - else + if (! MEM_READONLY_P (x)) res->memory = 1; res->volatil |= MEM_VOLATILE_P (x); @@ -740,7 +738,6 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, if (in_dest) { res->memory = 1; - res->unch_memory |= MEM_READONLY_P (x); res->volatil |= MEM_VOLATILE_P (x); } @@ -896,7 +893,7 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res) /* We have to assume memory is needed, but the CC isn't. */ res->memory = 1; - res->volatil = res->unch_memory = 0; + res->volatil = 0; res->cc = 0; /* See if we have computed this value already. */ @@ -1145,7 +1142,6 @@ init_resource_info (rtx epilogue_insn) end_of_function_needs.cc = 0; end_of_function_needs.memory = 1; - end_of_function_needs.unch_memory = 0; CLEAR_HARD_REG_SET (end_of_function_needs.regs); if (frame_pointer_needed) |