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reload1.c (reload_combine): Take multi-hard-regs into account when processing CALL_INSN_FUNCTION_USAGE.

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* reload1.c (reload_combine): Take multi-hard-regs into account
        when processing CALL_INSN_FUNCTION_USAGE.

From-SVN: r38379
This commit is contained in:
Catherine Moore 2000-12-19 16:10:19 +00:00 committed by Catherine Moore
parent 3c0b797012
commit 6a69653af2
2 changed files with 24 additions and 12 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2000-12-19 Catherine Moore <clm@redhat.com>
* reload1.c (reload_combine): Take multi-hard-regs into account
when processing CALL_INSN_FUNCTION_USAGE.
2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
* invoke.texi (-print-search-dirs): Make references to cpp refer

31
gcc/reload1.c
View File

@ -8651,20 +8651,27 @@ reload_combine ()
for (link = CALL_INSN_FUNCTION_USAGE (insn); link;
link = XEXP (link, 1))
if (GET_CODE (XEXP (XEXP (link, 0), 0)) == REG)
{
unsigned int regno = REGNO (XEXP (XEXP (link, 0), 0));
{
rtx usage_rtx = XEXP (XEXP (link, 0), 0);
if (GET_CODE (usage_rtx) == REG)
{
int i;
unsigned int start_reg = REGNO (usage_rtx);
unsigned int num_regs =
HARD_REGNO_NREGS (start_reg, GET_MODE (usage_rtx));
unsigned int end_reg = start_reg + num_regs - 1;
for (i = start_reg; i <= end_reg; i++)
if (GET_CODE (XEXP (link, 0)) == CLOBBER)
{
reg_state[i].use_index = RELOAD_COMBINE_MAX_USES;
reg_state[i].store_ruid = reload_combine_ruid;
}
else
reg_state[i].use_index = -1;
}
}
if (GET_CODE (XEXP (link, 0)) == CLOBBER)
{
reg_state[regno].use_index = RELOAD_COMBINE_MAX_USES;
reg_state[regno].store_ruid = reload_combine_ruid;
}
else
reg_state[regno].use_index = -1;
}
}
else if (GET_CODE (insn) == JUMP_INSN
&& GET_CODE (PATTERN (insn)) != RETURN)
{