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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-10-03 18:31:18 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-10-03 18:31:18 -0400 |
| commit | 675f0e7cb2931a7f0d08f422b1a6564fb3b28b6b (patch) | |
| tree | 3740ce122c0b6649036809b5b8ee840eb830f210 /gcc | |
| parent | 15448afcc8d3fb975a4f1b2dec1e2a5f00279ab1 (diff) | |
| download | gcc-675f0e7cb2931a7f0d08f422b1a6564fb3b28b6b.zip gcc-675f0e7cb2931a7f0d08f422b1a6564fb3b28b6b.tar.gz gcc-675f0e7cb2931a7f0d08f422b1a6564fb3b28b6b.tar.bz2 | |
Fix comments and formatting related to RETURN_ADDR_RTX.
From-SVN: r10429
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/alpha/alpha.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 73a0f54..e324e9b 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -1088,13 +1088,21 @@ __enable_execute_stack (addr) \ if (mprotect (page, end - page, 7) < 0) \ perror ("mprotect of trampoline code"); \ } - -#define RETURN_ADDR_RTX(count, frame) \ -((count == 0 && alpha_sa_size () == 0 && 0 /* not right. */) \ + +/* A C expression whose value is RTL representing the value of the return + address for the frame COUNT steps up from the current frame. + FRAMEADDR is the frame pointer of the COUNT frame, or the frame pointer of + the COUNT-1 frame if RETURN_ADDR_IN_PREVIOUS_FRAME} is defined. + + This definition for Alpha is broken, but is put in at the request of + Mike Stump. */ + +#define RETURN_ADDR_RTX(COUNT, FRAME) \ +((COUNT == 0 && alpha_sa_size () == 0 && 0 /* not right. */) \ ? gen_rtx (REG, Pmode, 26) \ : gen_rtx (MEM, Pmode, \ - memory_address (Pmode, frame))) - /* Addressing modes, and classification of registers for them. */ + memory_address (Pmode, FRAME))) + /* Addressing modes, and classification of registers for them. */ /* #define HAVE_POST_INCREMENT */ |