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| author | Steve Ellcey <sje@cup.hp.com> | 2005-07-26 23:59:13 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2005-07-26 23:59:13 +0000 |
| commit | b5395c33d1665cdbd390a7c3bad066b8c42dd6e4 (patch) | |
| tree | d6f2409ce78c5a22e9a450882b1a909771c1c856 /gcc | |
| parent | 6c8a62bbfea9ae40fa27ffe8b1756cec414d6db3 (diff) | |
| download | gcc-b5395c33d1665cdbd390a7c3bad066b8c42dd6e4.zip gcc-b5395c33d1665cdbd390a7c3bad066b8c42dd6e4.tar.gz gcc-b5395c33d1665cdbd390a7c3bad066b8c42dd6e4.tar.bz2 | |
re PR rtl-optimization/22472 (testsuite failure gcc.c-torture/compile/930621-1.c -O3 -funroll-loops)
PR rtl-optimization/22472
* config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
From-SVN: r102405
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/pa/pa.h | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ac09120..06b638d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-07-26 Steve Ellcey <sje@cup.hp.com> + + PR rtl-optimization/22472 + * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define. + 2005-07-26 Steven Bosscher <stevenb@suse.de> PR tree-optimization/22504 diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h index b9a5394..76a64fe 100644 --- a/gcc/config/pa/pa.h +++ b/gcc/config/pa/pa.h @@ -358,6 +358,12 @@ typedef struct machine_function GTY(()) #define FRAME_POINTER_REQUIRED \ (current_function_calls_alloca) +/* Don't allow hard registers to be renamed into r2 unless r2 + is already live or already being saved (due to eh). */ + +#define HARD_REGNO_RENAME_OK(OLD_REG, NEW_REG) \ + ((NEW_REG) != 2 || regs_ever_live[2] || current_function_calls_eh_return) + /* C statement to store the difference between the frame pointer and the stack pointer values immediately after the function prologue. |