(MASK and TARGET): Add new flags for POWER2 and PowerPC with square root.
(ASSEMBLER_DIALECT): New macro.
(CONDITIONAL_REGISTER_USAGE): Set MQ register fixed if not POWER.
(SHIFT_COUNT_TRUNCATED): Conditional on POWER.
(ASM_OUTPUT_REG_{PUSH,POP}): Mnemonics dependencies.
From-SVN: r5746
This commit is contained in:
Richard Kenner
parent
5e2e293640
commit
6febd5819d
|
|
@ -70,18 +70,24 @@ extern int target_flags;
|
|||
/* Use POWER architecture instructions and MQ register. */
|
||||
#define MASK_POWER 0x01
|
||||
|
||||
/* Use POWER2 extensions to POWER architecture. */
|
||||
#define MASK_POWER2 0x02
|
||||
|
||||
/* Use PowerPC architecture instructions. */
|
||||
#define MASK_POWERPC 0x02
|
||||
#define MASK_POWERPC 0x04
|
||||
|
||||
/* Use PowerPC square root instructions. */
|
||||
#define MASK_POWERPCSQR 0x08
|
||||
|
||||
/* Use PowerPC-64 architecture instructions. */
|
||||
#define MASK_POWERPC64 0x04
|
||||
#define MASK_POWERPC64 0x10
|
||||
|
||||
/* Use revised mnemonic names defined for PowerPC architecture. */
|
||||
#define MASK_NEW_MNEMONICS 0x08
|
||||
#define MASK_NEW_MNEMONICS 0x20
|
||||
|
||||
/* Disable placing fp constants in the TOC; can be turned on when the
|
||||
TOC overflows. */
|
||||
#define MASK_NO_FP_IN_TOC 0x10
|
||||
#define MASK_NO_FP_IN_TOC 0x40
|
||||
|
||||
/* Output only one TOC entry per module. Normally linking fails if
|
||||
there are more than 16K unique variables/constants in an executable. With
|
||||
|
|
@ -90,10 +96,12 @@ extern int target_flags;
|
|||
|
||||
This is at the cost of having 2 extra loads and one extra store per
|
||||
function, and one less allocatable register. */
|
||||
#define MASK_MINIMAL_TOC 0x20
|
||||
#define MASK_MINIMAL_TOC 0x80
|
||||
|
||||
#define TARGET_POWER (target_flags & MASK_POWER)
|
||||
#define TARGET_POWER2 (target_flags & MASK_POWER2)
|
||||
#define TARGET_POWERPC (target_flags & MASK_POWERPC)
|
||||
#define TARGET_POWERPCSQR (target_flags & MASK_POWERPCSQR)
|
||||
#define TARGET_POWERPC64 (target_flags & MASK_POWERPC64)
|
||||
#define TARGET_NEW_MNEMONICS (target_flags & MASK_NEW_MNEMONICS)
|
||||
#define TARGET_NO_FP_IN_TOC (target_flags & MASK_NO_FP_IN_TOC)
|
||||
|
|
@ -109,9 +117,13 @@ extern int target_flags;
|
|||
|
||||
#define TARGET_SWITCHES \
|
||||
{{"power", MASK_POWER}, \
|
||||
{"no-power", - MASK_POWER}, \
|
||||
{"power2", MASK_POWER | MASK_POWER2}, \
|
||||
{"no-power2", - MASK_POWER2}, \
|
||||
{"no-power", - (MASK_POWER | MASK_POWER2)}, \
|
||||
{"powerpc", MASK_POWERPC}, \
|
||||
{"no-powerpc", - (MASK_POWERPC | MASK_POWERPC64)}, \
|
||||
{"no-powerpc", - (MASK_POWERPC | MASK_POWERPCSQR | MASK_POWERPC64)}, \
|
||||
{"powerpc-sqr", MASK_POWERPC | MASK_POWERPCSQR}, \
|
||||
{"no-powerpc-sqr", - MASK_POWERPCSQR}, \
|
||||
{"powerpc64", MASK_POWERPC | MASK_POWERPC64}, \
|
||||
{"no-powerpc64", -MASK_POWERPC64}, \
|
||||
{"new-mnemonics", MASK_NEW_MNEMONICS}, \
|
||||
|
|
@ -142,6 +154,10 @@ extern enum processor_type rs6000_cpu;
|
|||
/* Define the default processor. This is overridden by other tm.h files. */
|
||||
#define PROCESSOR_DEFAULT PROCESSOR_RIOS1
|
||||
|
||||
/* Specify the dialect of assembler to use. New mnemonics is dialect one
|
||||
and the old mnemonics are dialect zero. */
|
||||
#define ASSEMBLER_DIALECT TARGET_NEW_MNEMONICS ? 1 : 0
|
||||
|
||||
/* This macro is similar to `TARGET_SWITCHES' but defines names of
|
||||
command options that have values. Its definition is an
|
||||
initializer with a subgrouping for each command option.
|
||||
|
|
@ -444,6 +460,15 @@ extern char *rs6000_cpu_string;
|
|||
if (REG_NOTE_KIND (LINK) != 0) \
|
||||
(COST) = 0; /* Anti or output dependence. */
|
||||
|
||||
/* Define this macro to change register usage conditional on target flags.
|
||||
Set MQ register fixed (already call_used) if not POWER architecture
|
||||
(RIOS1, RIOS2, and PPC601) so that it will not be allocated.
|
||||
Provide alternate register names for ppcas assembler */
|
||||
|
||||
#define CONDITIONAL_REGISTER_USAGE \
|
||||
if (!TARGET_POWER) \
|
||||
fixed_regs[64] = 1;
|
||||
|
||||
/* Specify the registers used for certain standard purposes.
|
||||
The values of these macros are register numbers. */
|
||||
|
||||
|
|
@ -1342,8 +1367,12 @@ struct rs6000_args {int words, fregno, nargs_prototype; };
|
|||
#define NO_FUNCTION_CSE
|
||||
|
||||
/* Define this to be nonzero if shift instructions ignore all but the low-order
|
||||
few bits. */
|
||||
#define SHIFT_COUNT_TRUNCATED 1
|
||||
few bits.
|
||||
|
||||
The sle and sre instructions which allow SHIFT_COUNT_TRUNCATED
|
||||
have been dropped from the PowerPC architecture. */
|
||||
|
||||
#define SHIFT_COUNT_TRUNCATED TARGET_POWER ? 1 : 0
|
||||
|
||||
/* Use atexit for static constructors/destructors, instead of defining
|
||||
our own exit function. */
|
||||
|
|
@ -1901,13 +1930,14 @@ toc_section () \
|
|||
It need not be very fast code. */
|
||||
|
||||
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
|
||||
fprintf (FILE, "\tstu %s,-4(r1)\n", reg_names[REGNO]);
|
||||
asm_fprintf (FILE, "\{tstu|stwu} %s,-4(r1)\n", reg_names[REGNO]);
|
||||
|
||||
/* This is how to output an insn to pop a register from the stack.
|
||||
It need not be very fast code. */
|
||||
|
||||
#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
|
||||
fprintf (FILE, "\tl %s,0(r1)\n\tai r1,r1,4\n", reg_names[REGNO])
|
||||
asm_fprintf (FILE, "\t{l|lwz} %s,0(r1)\n\t{ai|addic} r1,r1,4\n", \
|
||||
reg_names[REGNO])
|
||||
|
||||
/* This is how to output an element of a case-vector that is absolute.
|
||||
(RS/6000 does not use such vectors, but we must define this macro
|
||||
|
|
|
|||
Loading…
Reference in New Issue