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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-10-03 11:49:16 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-10-03 11:49:16 -0400 |
| commit | f09d4c33098a3172b5816f63694479e10fd1a234 (patch) | |
| tree | 76bc0e7604398500acdc52601fd0f723899c87a0 /gcc/config/rs6000 | |
| parent | 2bbf216f5ecb8c1fed98a09778541778fca672d7 (diff) | |
| download | gcc-f09d4c33098a3172b5816f63694479e10fd1a234.zip gcc-f09d4c33098a3172b5816f63694479e10fd1a234.tar.gz gcc-f09d4c33098a3172b5816f63694479e10fd1a234.tar.bz2 | |
(RETURN_ADDR_RTX): Remove call to copy_to_reg.
(RETURN_ADDR_RTX): Remove call to copy_to_reg. Offset to return
address is 4 when !TARGET_64BIT and v4_call_p, 8 otherwise.
From-SVN: r10419
Diffstat (limited to 'gcc/config/rs6000')
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 823ebca..5e7a6e6 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -1246,17 +1246,21 @@ typedef struct rs6000_args taken care of one additional fetch will be necessary in RETURN_ADDR_RTX. (mrs) */ /* #define RETURN_ADDR_IN_PREVIOUS_FRAME */ + +/* Number of bytes into the frame return addresses can be found. */ +#define RETURN_ADDRESS_OFFSET (v4_call_p ? (TARGET_64BIT ? 8 : 4) : 8) + /* The current return address is in link register (65). The return address of anything farther back is accessed normally at an offset of 8 from the frame pointer. */ #define RETURN_ADDR_RTX(count, frame) \ ((count == -1) \ ? gen_rtx (REG, Pmode, 65) \ - : copy_to_reg (gen_rtx (MEM, Pmode, \ - memory_address (Pmode, \ - plus_constant (copy_to_reg (gen_rtx (MEM, Pmode, \ - memory_address (Pmode, frame))), \ - 8))))) + : gen_rtx (MEM, Pmode, \ + memory_address (Pmode, \ + plus_constant (copy_to_reg (gen_rtx (MEM, Pmode, \ + memory_address (Pmode, frame))), \ + RETURN_ADDRESS_OFFSET)))) /* Definitions for register eliminations. |