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| author | Tom Wood <wood@gnu.org> | 1992-11-06 11:47:37 +0000 |
|---|---|---|
| committer | Tom Wood <wood@gnu.org> | 1992-11-06 11:47:37 +0000 |
| commit | 1192c651c6276a49d0e5d799e43bd659a923723a (patch) | |
| tree | a8ee77fb568bbcce6276f7b4e7db439d91a3ddab /gcc | |
| parent | f95fd40ed558e7e4c587ecd2b129d6b3a581cd35 (diff) | |
| download | gcc-1192c651c6276a49d0e5d799e43bd659a923723a.zip gcc-1192c651c6276a49d0e5d799e43bd659a923723a.tar.gz gcc-1192c651c6276a49d0e5d799e43bd659a923723a.tar.bz2 | |
(tcnd_divide_by_zero...
(tcnd_divide_by_zero, divsi3, udivsi3): Allow the
explicit trap for divide by zero to resume execution along the
expected path.
From-SVN: r2706
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/m88k/m88k.md | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/gcc/config/m88k/m88k.md b/gcc/config/m88k/m88k.md index 5742c09..a13f49c 100644 --- a/gcc/config/m88k/m88k.md +++ b/gcc/config/m88k/m88k.md @@ -28,7 +28,7 @@ (define_expand "m88k_sccs_id" [(match_operand:SI 0 "" "")] "" - "{ static char sccs_id[] = \"@(#)m88k.md 2.2.13.5 10/19/92 10:13:13\"; + "{ static char sccs_id[] = \"@(#)m88k.md 2.3.2.2 11/05/92 09:03:51\"; FAIL; }") ;; Attribute specifications @@ -2377,7 +2377,6 @@ emit_insn (gen_cmpsi (operands[0], const0_rtx)); emit_jump_insn (gen_bne (operands[1])); emit_insn (gen_trap_divide_by_zero ()); - emit_barrier (); DONE; }") @@ -2406,7 +2405,6 @@ if (op2 == const0_rtx) { emit_insn (gen_trap_divide_by_zero ()); - emit_barrier (); emit_insn (gen_dummy (op0)); DONE; } @@ -2448,11 +2446,8 @@ if (TARGET_CHECK_ZERO_DIV) emit_insn (gen_tcnd_divide_by_zero (op2, join_label)); - else - { - emit_jump_insn (gen_jump (join_label)); - emit_barrier (); - } + emit_jump_insn (gen_jump (join_label)); + emit_barrier (); emit_label (label1); /* constant / positive */ emit_move_insn (op0, gen_rtx (UDIV, SImode, op1, op2)); @@ -2517,13 +2512,9 @@ emit_jump_insn (gen_bne (join_label)); emit_label (label4); emit_insn (gen_trap_divide_by_zero ()); - emit_barrier (); - } - else - { - emit_jump_insn (gen_jump (join_label)); - emit_barrier (); } + emit_jump_insn (gen_jump (join_label)); + emit_barrier (); emit_label (label2); /* pos.-or-0 / neg.-or-0 */ emit_move_insn (op0, gen_rtx (UDIV, SImode, op1, neg_op2)); @@ -2578,7 +2569,6 @@ if (op2 == const0_rtx) { emit_insn (gen_trap_divide_by_zero ()); - emit_barrier (); emit_insn (gen_dummy (operands[0])); DONE; } |