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| author | Richard Henderson <rth@redhat.com> | 2002-05-21 12:57:39 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-05-21 12:57:39 -0700 |
| commit | 35a76aacf6174d280b49051a7e1cf1bc9334ce11 (patch) | |
| tree | 28f9b88e7b95bf3b95f9038c6e2e475f6642fa18 /gcc/reg-stack.c | |
| parent | 32d3f6346aa1a54bf186cf7498ecb46ce1b4a8d1 (diff) | |
| download | gcc-35a76aacf6174d280b49051a7e1cf1bc9334ce11.tar.gz | |
reg-stack.c (swap_rtx_condition, [...]): Use unspec names, not numbers.
* reg-stack.c (swap_rtx_condition, subst_stack_regs_pat): Use
unspec names, not numbers.
From-SVN: r53693
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 3e1a756d473..942f2579488 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1260,7 +1260,7 @@ swap_rtx_condition (insn) if (GET_CODE (pat) == SET && GET_CODE (SET_SRC (pat)) == UNSPEC - && XINT (SET_SRC (pat), 1) == 9) + && XINT (SET_SRC (pat), 1) == UNSPEC_FNSTSW) { rtx dest = SET_DEST (pat); @@ -1281,7 +1281,7 @@ swap_rtx_condition (insn) pat = PATTERN (insn); if (GET_CODE (pat) != SET || GET_CODE (SET_SRC (pat)) != UNSPEC - || XINT (SET_SRC (pat), 1) != 10 + || XINT (SET_SRC (pat), 1) != UNSPEC_SAHF || ! dead_or_set_p (insn, dest)) return 0; @@ -1705,8 +1705,8 @@ subst_stack_regs_pat (insn, regstack, pat) case UNSPEC: switch (XINT (pat_src, 1)) { - case 1: /* sin */ - case 2: /* cos */ + case UNSPEC_SIN: + case UNSPEC_COS: /* These insns only operate on the top of the stack. */ src1 = get_true_reg (&XVECEXP (pat_src, 0, 0)); @@ -1728,19 +1728,17 @@ subst_stack_regs_pat (insn, regstack, pat) replace_reg (src1, FIRST_STACK_REG); break; - case 10: - /* (unspec [(unspec [(compare ..)] 9)] 10) - Unspec 9 is fnstsw; unspec 10 is sahf. The combination - matches the PPRO fcomi instruction. */ + case UNSPEC_SAHF: + /* (unspec [(unspec [(compare)] UNSPEC_FNSTSW)] UNSPEC_SAHF) + The combination matches the PPRO fcomi instruction. */ pat_src = XVECEXP (pat_src, 0, 0); if (GET_CODE (pat_src) != UNSPEC - || XINT (pat_src, 1) != 9) + || XINT (pat_src, 1) != UNSPEC_FNSTSW) abort (); /* FALLTHRU */ - case 9: - /* (unspec [(compare ..)] 9) */ + case UNSPEC_FNSTSW: /* Combined fcomp+fnstsw generated for doing well with CSE. When optimizing this would have been broken up before now. */ @@ -1775,8 +1773,8 @@ subst_stack_regs_pat (insn, regstack, pat) && REGNO (*dest) != regstack->reg[regstack->top]) { /* In case one of operands is the top of stack and the operands - dies, it is safe to make it the destination operand by reversing - the direction of cmove and avoid fxch. */ + dies, it is safe to make it the destination operand by + reversing the direction of cmove and avoid fxch. */ if ((REGNO (*src1) == regstack->reg[regstack->top] && src1_note) || (REGNO (*src2) == regstack->reg[regstack->top] |