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alpha.c (summarize_insn): Handle ASM_OPERANDS. 

* alpha.c (summarize_insn): Handle ASM_OPERANDS.  Don't recurse
        for SUBREG, just fall through.

        * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.

        * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.

From-SVN: r16339
This commit is contained in:
Richard Henderson 1997-11-04 19:36:53 -08:00 committed by Jeff Law
parent 3ed18aebe9
commit f4e31cf56f
3 changed files with 20 additions and 6 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
* alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
for SUBREG, just fall through.
* alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
* alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
* fixincludes: Fix "hypot" prototype in NeXT math.h.

15
gcc/config/alpha/alpha.c
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@ -2848,11 +2848,20 @@ summarize_insn (x, sum, set)
summarize_insn (XEXP (x, 0), sum, 0);
break;
case ASM_OPERANDS:
for (i = ASM_OPERANDS_INPUT_LENGTH (x) - 1; i >= 0; i--)
summarize_insn (ASM_OPERANDS_INPUT (x, i), sum, 0);
break;
case PARALLEL:
for (i = XVECLEN (x, 0) - 1; i >= 0; i--)
summarize_insn (XVECEXP (x, 0, i), sum, 0);
break;
case SUBREG:
x = SUBREG_REG (x);
/* FALLTHRU */
case REG:
{
int regno = REGNO (x);
@ -2888,10 +2897,6 @@ summarize_insn (x, sum, set)
summarize_insn (XEXP (x, 0), sum, 0);
break;
case SUBREG:
summarize_insn (SUBREG_REG (x), sum, set);
break;
case CONST_INT: case CONST_DOUBLE:
case SYMBOL_REF: case LABEL_REF: case CONST:
break;
@ -3022,7 +3027,7 @@ alpha_handle_trap_shadows (insns)
sum.used.i = 0;
sum.used.fp = 0;
sum.used.mem = 0;
sum.defd = shadow.used;
sum.defd = sum.used;
switch (GET_CODE (i))
{

2
gcc/config/alpha/alpha.md
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@ -39,7 +39,7 @@
;; The TRAP_TYPE attribute marks instructions that may generate traps
;; (which are imprecise and may need a trapb if software complention
;; is desired).
(define_attr "trap" "yes,no" (const_string "no"))
(define_attr "trap" "no,yes" (const_string "no"))
;; For the EV4 we include four function units: ABOX, which computes
;; the address, BBOX, used for branches, EBOX, used for integer