diff options
| author | Claudiu Zissulescu <claziss@synopsys.com> | 2017-04-25 14:03:40 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2017-04-25 14:03:40 +0200 |
| commit | 4f9c5d5c4892e584a42b98f8d8643ce0b7b76490 (patch) | |
| tree | e4ad357d584e3692e121d0bbd57fe8be5efce979 /gcc | |
| parent | a0caeef6c85b6e1961fa756602b26a92c1f8248f (diff) | |
| download | gcc-4f9c5d5c4892e584a42b98f8d8643ce0b7b76490.zip gcc-4f9c5d5c4892e584a42b98f8d8643ce0b7b76490.tar.gz gcc-4f9c5d5c4892e584a42b98f8d8643ce0b7b76490.tar.bz2 | |
[ARC] Allow extension core registers to be used for addresses.
gcc/
2017-04-25 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
core registers.
(REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
(REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
From-SVN: r247196
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/arc/arc.h | 20 |
2 files changed, 16 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b38b429..e4b7102 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2017-04-25 Claudiu Zissulescu <claziss@synopsys.com> + * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension + core registers. + (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise. + (REG_OK_FOR_BASE_P_NONSTRICT): Likewise. + +2017-04-25 Claudiu Zissulescu <claziss@synopsys.com> + * config/arc/arc.c (arc_output_addsi): Check for h-register class when emitting short ADD instructions. diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h index 1ffb5de..5491130 100644 --- a/gcc/config/arc/arc.h +++ b/gcc/config/arc/arc.h @@ -640,7 +640,8 @@ extern enum reg_class arc_regno_reg_class[]; #define REGNO_OK_FOR_BASE_P(REGNO) \ ((REGNO) < 29 || ((REGNO) == ARG_POINTER_REGNUM) || ((REGNO) == 63) \ || ((unsigned) reg_renumber[REGNO] < 29) \ - || ((unsigned) (REGNO) == (unsigned) arc_tp_regno)) + || ((unsigned) (REGNO) == (unsigned) arc_tp_regno) \ + || (fixed_regs[REGNO] == 0 && IN_RANGE (REGNO, 32, 59))) #define REGNO_OK_FOR_INDEX_P(REGNO) REGNO_OK_FOR_BASE_P(REGNO) @@ -922,18 +923,15 @@ extern int arc_initial_elimination_offset(int from, int to); /* Nonzero if X is a hard reg that can be used as an index or if it is a pseudo reg. */ -#define REG_OK_FOR_INDEX_P_NONSTRICT(X) \ -((unsigned) REGNO (X) >= FIRST_PSEUDO_REGISTER || \ - (unsigned) REGNO (X) < 29 || \ - (unsigned) REGNO (X) == 63 || \ - (unsigned) REGNO (X) == ARG_POINTER_REGNUM) +#define REG_OK_FOR_INDEX_P_NONSTRICT(X) \ + ((unsigned) REGNO (X) >= FIRST_PSEUDO_REGISTER \ + || REGNO_OK_FOR_BASE_P (REGNO (X))) + /* Nonzero if X is a hard reg that can be used as a base reg or if it is a pseudo reg. */ -#define REG_OK_FOR_BASE_P_NONSTRICT(X) \ -((unsigned) REGNO (X) >= FIRST_PSEUDO_REGISTER || \ - (unsigned) REGNO (X) < 29 || \ - (unsigned) REGNO (X) == 63 || \ - (unsigned) REGNO (X) == ARG_POINTER_REGNUM) +#define REG_OK_FOR_BASE_P_NONSTRICT(X) \ + ((unsigned) REGNO (X) >= FIRST_PSEUDO_REGISTER \ + || REGNO_OK_FOR_BASE_P (REGNO (X))) /* Nonzero if X is a hard reg that can be used as an index. */ #define REG_OK_FOR_INDEX_P_STRICT(X) REGNO_OK_FOR_INDEX_P (REGNO (X)) |