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rs6000.h (CALL_REALLY_USED_REGISTERS): New. 

2001-11-30  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.h (CALL_REALLY_USED_REGISTERS): New.
        (CONDITIONAL_REGISTER_USAGE): Set call_really_used_registers to
        the values in call_used_registers.

From-SVN: r47493
This commit is contained in:
Aldy Hernandez 2001-11-30 21:21:32 +00:00 committed by Aldy Hernandez
parent c36b1123ae
commit 289e96b247
2 changed files with 33 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2001-11-30 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): New.
(CONDITIONAL_REGISTER_USAGE): Set call_really_used_registers to
the values in call_used_registers.
Fri Nov 30 12:48:26 2001 Jeffrey A Law (law@cygnus.com)
* gthr-dce.h: If _DCE_THREADS is not defined, then just include

33
gcc/config/rs6000/rs6000.h
View File

@ -725,6 +725,23 @@ extern int rs6000_debug_arg; /* debug argument handling */
1 \
}
/* Like `CALL_USED_REGISTERS' except this macro doesn't require that
the entire set of `FIXED_REGISTERS' be included.
(`CALL_USED_REGISTERS' must be a superset of `FIXED_REGISTERS').
This macro is optional. If not specified, it defaults to the value
of `CALL_USED_REGISTERS'. */
#define CALL_REALLY_USED_REGISTERS \
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, FIXED_R13, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, \
/* AltiVec registers. */ \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0 \
}
#define MQ_REGNO 64
#define CR0_REGNO 68
@ -928,23 +945,27 @@ extern int rs6000_debug_arg; /* debug argument handling */
if (! TARGET_POWER) \
fixed_regs[64] = 1; \
if (TARGET_64BIT) \
fixed_regs[13] = call_used_regs[13] = 1; \
fixed_regs[13] = call_used_regs[13] \
= call_really_used_regs[13] = 1; \
if (TARGET_SOFT_FLOAT) \
for (i = 32; i < 64; i++) \
fixed_regs[i] = call_used_regs[i] = 1; \
fixed_regs[i] = call_used_regs[i] \
= call_really_used_regs[i] = 1; \
if (DEFAULT_ABI == ABI_V4 && flag_pic == 1) \
fixed_regs[PIC_OFFSET_TABLE_REGNUM] \
= call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
= call_used_regs[PIC_OFFSET_TABLE_REGNUM] \
= call_really_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
if (DEFAULT_ABI == ABI_DARWIN && flag_pic) \
global_regs[PIC_OFFSET_TABLE_REGNUM] \
= fixed_regs[PIC_OFFSET_TABLE_REGNUM] \
= call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
= call_used_regs[PIC_OFFSET_TABLE_REGNUM] \
= call_really_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
if (! TARGET_ALTIVEC) \
for (i = FIRST_ALTIVEC_REGNO; i <= LAST_ALTIVEC_REGNO; ++i) \
fixed_regs[i] = call_used_regs[i] = 1; \
fixed_regs[i] = call_used_regs[i] = call_really_used_regs[i] = 1; \
if (TARGET_ALTIVEC_ABI) \
for (i = FIRST_ALTIVEC_REGNO; i < FIRST_ALTIVEC_REGNO + 20; ++i) \
call_used_regs[i] = 1; \
call_used_regs[i] = call_really_used_regs[i] = 1; \
}
/* Specify the registers used for certain standard purposes.