aboutsummaryrefslogtreecommitdiff
path: root/gcc/config/rs6000/rs6000.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/config/rs6000/rs6000.h')
-rw-r--r--gcc/config/rs6000/rs6000.h65
1 files changed, 42 insertions, 23 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index e5e9e27cce9..957fcecfe1e 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler, for IBM RS/6000.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
This file is part of GNU CC.
@@ -611,6 +611,9 @@ extern int rs6000_default_long_calls;
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
#endif
+/* Work around rs6000_long_double_type_size dependency in ada/targtyps.c. */
+#define WIDEST_HARDWARE_FP_SIZE 64
+
/* Width in bits of a pointer.
See also the macro `Pmode' defined below. */
#define POINTER_SIZE (TARGET_32BIT ? 32 : 64)
@@ -997,6 +1000,10 @@ extern int rs6000_default_long_calls;
= call_really_used_regs[i] = 1; \
if (DEFAULT_ABI == ABI_V4 \
&& PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM \
+ && flag_pic == 2) \
+ fixed_regs[RS6000_PIC_OFFSET_TABLE_REGNUM] = 1; \
+ if (DEFAULT_ABI == ABI_V4 \
+ && PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM \
&& flag_pic == 1) \
fixed_regs[RS6000_PIC_OFFSET_TABLE_REGNUM] \
= call_used_regs[RS6000_PIC_OFFSET_TABLE_REGNUM] \
@@ -1337,10 +1344,12 @@ enum reg_class
/* Return a class of registers that cannot change FROM mode to TO mode. */
-#define CANNOT_CHANGE_MODE_CLASS(FROM, TO) \
- (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) ? FLOAT_REGS \
- : (SPE_VECTOR_MODE (FROM) + SPE_VECTOR_MODE (TO)) == 1 ? GENERAL_REGS \
- : NO_REGS)
+#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
+ (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \
+ ? reg_classes_intersect_p (FLOAT_REGS, CLASS) \
+ : (SPE_VECTOR_MODE (FROM) + SPE_VECTOR_MODE (TO)) == 1 \
+ ? reg_classes_intersect_p (GENERAL_REGS, CLASS) \
+ : 0)
/* Stack layout; function entry, exit and calling. */
@@ -1607,25 +1616,26 @@ typedef struct rs6000_stack {
#define CALL_V4_CLEAR_FP_ARGS 0x00000002 /* V.4, no FP args passed */
#define CALL_V4_SET_FP_ARGS 0x00000004 /* V.4, FP args were passed */
#define CALL_LONG 0x00000008 /* always call indirect */
+#define CALL_LIBCALL 0x00000010 /* libcall */
/* 1 if N is a possible register number for a function value
as seen by the caller.
On RS/6000, this is r3, fp1, and v2 (for AltiVec). */
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == GP_ARG_RETURN \
- || ((N) == FP_ARG_RETURN) \
- || (TARGET_ALTIVEC && \
- (N) == ALTIVEC_ARG_RETURN))
+#define FUNCTION_VALUE_REGNO_P(N) \
+ ((N) == GP_ARG_RETURN \
+ || ((N) == FP_ARG_RETURN && TARGET_HARD_FLOAT) \
+ || ((N) == ALTIVEC_ARG_RETURN && TARGET_ALTIVEC))
/* 1 if N is a possible register number for function argument passing.
On RS/6000, these are r3-r10 and fp1-fp13.
On AltiVec, v2 - v13 are used for passing vectors. */
#define FUNCTION_ARG_REGNO_P(N) \
- (((unsigned)((N) - GP_ARG_MIN_REG) < (unsigned)(GP_ARG_NUM_REG)) \
- || (TARGET_ALTIVEC && \
- (unsigned)((N) - ALTIVEC_ARG_MIN_REG) < (unsigned)(ALTIVEC_ARG_NUM_REG)) \
- || ((unsigned)((N) - FP_ARG_MIN_REG) < (unsigned)(FP_ARG_NUM_REG)))
-
+ ((unsigned) (N) - GP_ARG_MIN_REG < GP_ARG_NUM_REG \
+ || ((unsigned) (N) - ALTIVEC_ARG_MIN_REG < ALTIVEC_ARG_NUM_REG \
+ && TARGET_ALTIVEC) \
+ || ((unsigned) (N) - FP_ARG_MIN_REG < FP_ARG_NUM_REG \
+ && TARGET_HARD_FLOAT))
/* A C structure for machine-specific, per-function data.
This is added to the cfun structure. */
@@ -1680,13 +1690,18 @@ typedef struct rs6000_args
For a library call, FNTYPE is 0. */
#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
- init_cumulative_args (&CUM, FNTYPE, LIBNAME, FALSE)
+ init_cumulative_args (&CUM, FNTYPE, LIBNAME, FALSE, FALSE)
/* Similar, but when scanning the definition of a procedure. We always
set NARGS_PROTOTYPE large so we never return an EXPR_LIST. */
#define INIT_CUMULATIVE_INCOMING_ARGS(CUM,FNTYPE,LIBNAME) \
- init_cumulative_args (&CUM, FNTYPE, LIBNAME, TRUE)
+ init_cumulative_args (&CUM, FNTYPE, LIBNAME, TRUE, FALSE)
+
+/* Like INIT_CUMULATIVE_ARGS' but only used for outgoing libcalls. */
+
+#define INIT_CUMULATIVE_LIBCALL_ARGS(CUM, MODE, LIBNAME) \
+ init_cumulative_args (&CUM, NULL_TREE, LIBNAME, FALSE, TRUE)
/* Update the data in CUM to advance over an argument
of mode MODE and data type TYPE.
@@ -1832,7 +1847,7 @@ typedef struct rs6000_args
|| (TARGET_ALTIVEC && (REGNO) == VRSAVE_REGNO) \
|| (current_function_calls_eh_return \
&& TARGET_AIX \
- && (REGNO) == TOC_REGISTER))
+ && (REGNO) == 2))
/* TRAMPOLINE_TEMPLATE deleted */
@@ -2382,12 +2397,16 @@ do { \
return COSTS_N_INSNS (4); \
case PROCESSOR_PPC620: \
case PROCESSOR_PPC630: \
- case PROCESSOR_POWER4: \
return (GET_CODE (XEXP (X, 1)) != CONST_INT \
? GET_MODE (XEXP (X, 1)) != DImode \
? COSTS_N_INSNS (5) : COSTS_N_INSNS (7) \
: INTVAL (XEXP (X, 1)) >= -256 && INTVAL (XEXP (X, 1)) <= 255 \
? COSTS_N_INSNS (3) : COSTS_N_INSNS (4)); \
+ case PROCESSOR_POWER4: \
+ return (GET_CODE (XEXP (X, 1)) != CONST_INT \
+ ? GET_MODE (XEXP (X, 1)) != DImode \
+ ? COSTS_N_INSNS (3) : COSTS_N_INSNS (4) \
+ : COSTS_N_INSNS (2)); \
} \
case DIV: \
case MOD: \
@@ -2723,8 +2742,8 @@ extern char rs6000_reg_names[][8]; /* register names (0 vs. %r0). */
#define DEBUG_REGISTER_NAMES \
{ \
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
@@ -2733,13 +2752,13 @@ extern char rs6000_reg_names[][8]; /* register names (0 vs. %r0). */
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
"mq", "lr", "ctr", "ap", \
"cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", \
- "xer", \
+ "xer", \
"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", \
"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", \
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", \
"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", \
- "vrsave", "vscr" \
- , "spe_acc", "spefscr" \
+ "vrsave", "vscr", \
+ "spe_acc", "spefscr" \
}
/* Table of additional register names to use in user input. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 19:59:18 +0000