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Update comments. 

From-SVN: r7420
This commit is contained in:
Richard Kenner 1994-06-02 07:24:33 -04:00
parent 302499a9fe
commit 94b25f81ca
2 changed files with 6 additions and 5 deletions
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4
gcc/calls.c
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@ -328,8 +328,8 @@ prepare_call_address (funexp, fndecl, call_fusage, reg_parm_seen)
the args to this call were processed.
We restore `inhibit_defer_pop' to that value.
USE_INSNS is a chain of USE insns to be emitted immediately before
the actual CALL insn.
CALL_FUSAGE is either empty or an EXPR_LIST of USE expressions that
denote registers used by the called function.
IS_CONST is true if this is a `const' call. */

7
gcc/expr.c
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@ -1665,7 +1665,8 @@ move_block_from_reg (regno, x, nregs, size)
}
}
/* Mark REG as holding parameter for the CALL_INSN. */
/* Add a USE expression for REG to the (possibly empty) list pointed
to by CALL_FUSAGE. REG must denote a hard register. */
void
use_reg (call_fusage, reg)
@ -1680,8 +1681,8 @@ use_reg (call_fusage, reg)
gen_rtx (USE, VOIDmode, reg), *call_fusage);
}
/* Mark NREGS consecutive regs, starting at REGNO, as holding parameters
for the CALL_INSN. */
/* Add USE expressions to *CALL_FUSAGE for each of NREGS consecutive regs,
starting at REGNO. All of these registers must be hard registers. */
void
use_regs (call_fusage, regno, nregs)