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| author | Stan Cox <coxs@gnu.org> | 1996-05-03 17:17:42 +0000 |
|---|---|---|
| committer | Stan Cox <coxs@gnu.org> | 1996-05-03 17:17:42 +0000 |
| commit | 3a0433fd4d7b371aa2b11f0861d79b2b83cc30ff (patch) | |
| tree | 2fb9535ece8ae296d9461ce2cd6e903b05f04644 | |
| parent | e5cb57e8b5c8666de8242f3c0be4a807f2d8be46 (diff) | |
| download | gcc-3a0433fd4d7b371aa2b11f0861d79b2b83cc30ff.zip gcc-3a0433fd4d7b371aa2b11f0861d79b2b83cc30ff.tar.gz gcc-3a0433fd4d7b371aa2b11f0861d79b2b83cc30ff.tar.bz2 | |
(TARGET_PENTIUMPRO, TARGET_CMOVE, BRANCH_COST,
From-SVN: r11916
| -rw-r--r-- | gcc/config/i386/i386.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 3a419f7..b0431b3 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -145,6 +145,7 @@ extern int target_flags; #define TARGET_386 (ix86_cpu == PROCESSOR_I386) #define TARGET_486 (ix86_cpu == PROCESSOR_I486) #define TARGET_PENTIUM (ix86_cpu == PROCESSOR_PENTIUM) +#define TARGET_PENTIUMPRO (ix86_cpu == PROCESSOR_PENTIUMPRO) #define TARGET_USE_LEAVE (ix86_cpu == PROCESSOR_I386) #define TARGET_PUSH_MEMORY (ix86_cpu == PROCESSOR_I386) #define TARGET_ZERO_EXTEND_WITH_AND (ix86_cpu != PROCESSOR_I386) @@ -153,6 +154,8 @@ extern int target_flags; #define TARGET_UNROLL_STRLEN (ix86_cpu != PROCESSOR_I386) #define TARGET_USE_Q_REG (ix86_cpu == PROCESSOR_PENTIUM) #define TARGET_USE_ANY_REG (ix86_cpu == PROCESSOR_I486) +#define TARGET_CMOVE (ix86_isa == PROCESSOR_PENTIUMPRO) +#define TARGET_DEEP_BRANCH_PREDICTION (ix86_isa == PROCESSOR_PENTIUMPRO) #define TARGET_SWITCHES \ { { "80387", MASK_80387 }, \ @@ -207,6 +210,8 @@ enum processor_type extern enum processor_type ix86_cpu; +extern int ix86_isa; + /* Define generic processor types based upon current deployment. */ #define PROCESSOR_COMMON PROCESSOR_I386 #define PROCESSOR_COMMON_STRING PROCESSOR_I386_STRING @@ -240,7 +245,7 @@ extern enum processor_type ix86_cpu; by appending `-m' to the specified name. */ #define TARGET_OPTIONS \ { { "cpu=", &ix86_cpu_string}, \ - { "arch=", &ix86_isa_string}, \ + { "isa=", &ix86_isa_string}, \ { "reg-alloc=", &i386_reg_alloc_order }, \ { "regparm=", &i386_regparm_string }, \ { "align-loops=", &i386_align_loops_string }, \ @@ -512,6 +517,9 @@ extern enum processor_type ix86_cpu; #define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) == (MODE2)) +/* Provide the cost of a branch. Exact meaning under development. */ +#define BRANCH_COST (TARGET_PENTIUMPRO ? 5 : 1) + /* Specify the registers used for certain standard purposes. The values of these macros are register numbers. */ @@ -936,6 +944,14 @@ typedef struct i386_args { #define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \ (function_arg_partial_nregs (&CUM, MODE, TYPE, NAMED)) +/* This macro is invoked just before the start of a function. + It is used here to output code for -fpic that will load the + return address into %ebx. */ + +#undef ASM_OUTPUT_FUNCTION_PREFIX +#define ASM_OUTPUT_FUNCTION_PREFIX(FILE, FNNAME) \ + asm_output_function_prefix (FILE, FNNAME) + /* This macro generates the assembly code for function entry. FILE is a stdio stream to output the code to. SIZE is an int: how many units of temporary storage to allocate. |