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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2009-10-05 19:45:54 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2009-10-05 19:45:54 +0000 |
| commit | c640a3bd210fb2fddbfc5118e37a99dbe8a0a14b (patch) | |
| tree | 525e11396150f9067933a78b22862a0296eebd0a /gcc/config/mips/mips.h | |
| parent | 293593b15fbf08603d6fa038e8e4614b41166c9f (diff) | |
| download | gcc-c640a3bd210fb2fddbfc5118e37a99dbe8a0a14b.zip gcc-c640a3bd210fb2fddbfc5118e37a99dbe8a0a14b.tar.gz gcc-c640a3bd210fb2fddbfc5118e37a99dbe8a0a14b.tar.bz2 | |
mips-protos.h (mips_trampoline_code_size): Declare.
gcc/
* config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
* config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
a code block followed by two pointers.
(TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
* config/mips/mips.c (MIPS_LOAD_PTR): New macro.
(MIPS_MOVE): Likewise.
(MIPS_LUI): Likewise.
(MIPS_JR): Likewise.
(MIPS_BAL): Likewise.
(MIPS_NOP): Likewise.
(mips_asm_trampoline_template): Delete.
(mips_trampoline_code_size): New function.
(mips_trampoline_init): Add shorter sequences for all cases
except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
Calculate the opcodes directly, rather than copying from a template.
Only flush the code part of the trampoline.
(TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
From-SVN: r152466
Diffstat (limited to 'gcc/config/mips/mips.h')
| -rw-r--r-- | gcc/config/mips/mips.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index b17512f..50bc4ea 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -2433,14 +2433,15 @@ typedef struct mips_args { #define EXIT_IGNORE_STACK 1 -/* A C expression for the size in bytes of the trampoline, as an - integer. */ +/* Trampolines are a block of code followed by two pointers. */ -#define TRAMPOLINE_SIZE (ptr_mode == DImode ? 48 : 36) +#define TRAMPOLINE_SIZE \ + (mips_trampoline_code_size () + GET_MODE_SIZE (ptr_mode) * 2) -/* Alignment required for trampolines, in bits. */ +/* Forcing a 64-bit alignment for 32-bit targets allows us to load two + pointers from a single LUI base. */ -#define TRAMPOLINE_ALIGNMENT GET_MODE_BITSIZE (ptr_mode) +#define TRAMPOLINE_ALIGNMENT 64 /* mips_trampoline_init calls this library function to flush program and data caches. */ |