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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-09-30 08:04:32 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-09-30 08:04:32 +0000 |
| commit | d02274e660aa88a0f1750798c21e8df6125f31e6 (patch) | |
| tree | f4c9f1d2c838c3e2c542cc98b20aed91a2457ea4 /gcc/ira-int.h | |
| parent | c76141f619ced6c2887182c80f0867471c5b8090 (diff) | |
| download | gcc-d02274e660aa88a0f1750798c21e8df6125f31e6.tar.gz | |
gcc/
2014-09-26 David Sherwood <david.sherwood@arm.com>
* ira-int.h (ira_allocno): Add "wmode" field.
* ira-build.c (create_insn_allocnos): Add new "parent" function
parameter.
* ira-conflicts.c (ira_build_conflicts): Add conflicts for registers
that cannot be accessed in wmode.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@215707 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira-int.h')
| -rw-r--r-- | gcc/ira-int.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ira-int.h b/gcc/ira-int.h index e3db1c7630d..e282415f98c 100644 --- a/gcc/ira-int.h +++ b/gcc/ira-int.h @@ -283,6 +283,9 @@ struct ira_allocno /* Mode of the allocno which is the mode of the corresponding pseudo-register. */ ENUM_BITFIELD (machine_mode) mode : 8; + /* Widest mode of the allocno which in at least one case could be + for paradoxical subregs where wmode > mode. */ + ENUM_BITFIELD (machine_mode) wmode : 8; /* Register class which should be used for allocation for given allocno. NO_REGS means that we should use memory. */ ENUM_BITFIELD (reg_class) aclass : 16; @@ -315,7 +318,7 @@ struct ira_allocno number (0, ...) - 2. Value -1 is used for allocnos spilled by the reload (at this point pseudo-register has only one allocno) which did not get stack slot yet. */ - short int hard_regno; + int hard_regno : 16; /* Allocnos with the same regno are linked by the following member. Allocnos corresponding to inner loops are first in the list (it corresponds to depth-first traverse of the loops). */ @@ -436,6 +439,7 @@ struct ira_allocno #define ALLOCNO_BAD_SPILL_P(A) ((A)->bad_spill_p) #define ALLOCNO_ASSIGNED_P(A) ((A)->assigned_p) #define ALLOCNO_MODE(A) ((A)->mode) +#define ALLOCNO_WMODE(A) ((A)->wmode) #define ALLOCNO_PREFS(A) ((A)->allocno_prefs) #define ALLOCNO_COPIES(A) ((A)->allocno_copies) #define ALLOCNO_HARD_REG_COSTS(A) ((A)->hard_reg_costs) |