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| author | Uros Bizjak <ubizjak@gmail.com> | 2012-05-11 17:11:11 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-05-11 17:11:11 +0200 |
| commit | d2b21f206228ea1829a06f19c23d60c159a8d612 (patch) | |
| tree | 617d103aab75266b8f82f81e5523aaa01ac692b7 | |
| parent | 835c9db01f44e7346c5764f3c7abc654e9faa2e7 (diff) | |
| download | gcc-d2b21f206228ea1829a06f19c23d60c159a8d612.zip gcc-d2b21f206228ea1829a06f19c23d60c159a8d612.tar.gz gcc-d2b21f206228ea1829a06f19c23d60c159a8d612.tar.bz2 | |
alpha.c (alpha_emit_conditional_branch): Handle ORDERED and UNORDERED conditions.
* config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
ORDERED and UNORDERED conditions.
From-SVN: r187411
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/alpha/alpha.c | 28 |
2 files changed, 29 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7da054f..6076af9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-05-12 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle + ORDERED and UNORDERED conditions. + 2012-05-11 Richard Guenther <rguenther@suse.de> * tree-flow.h (referenced_var_check_and_insert): Remove. diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 174abc2..225c9ab 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -2335,7 +2335,7 @@ alpha_emit_conditional_branch (rtx operands[], enum machine_mode cmp_mode) { case EQ: case LE: case LT: case LEU: case LTU: case UNORDERED: - /* We have these compares: */ + /* We have these compares. */ cmp_code = code, branch_code = NE; break; @@ -2572,13 +2572,15 @@ alpha_emit_conditional_move (rtx cmp, enum machine_mode mode) switch (code) { case EQ: case LE: case LT: case LEU: case LTU: + case UNORDERED: /* We have these compares. */ cmp_code = code, code = NE; break; case NE: - /* This must be reversed. */ - cmp_code = EQ, code = EQ; + case ORDERED: + /* These must be reversed. */ + cmp_code = reverse_condition (code), code = EQ; break; case GE: case GT: case GEU: case GTU: @@ -2598,6 +2600,14 @@ alpha_emit_conditional_move (rtx cmp, enum machine_mode mode) gcc_unreachable (); } + if (cmp_mode == DImode) + { + if (!reg_or_0_operand (op0, DImode)) + op0 = force_reg (DImode, op0); + if (!reg_or_8bit_operand (op1, DImode)) + op1 = force_reg (DImode, op1); + } + tem = gen_reg_rtx (cmp_mode); emit_insn (gen_rtx_SET (VOIDmode, tem, gen_rtx_fmt_ee (cmp_code, cmp_mode, @@ -2609,6 +2619,14 @@ alpha_emit_conditional_move (rtx cmp, enum machine_mode mode) local_fast_math = 1; } + if (cmp_mode == DImode) + { + if (!reg_or_0_operand (op0, DImode)) + op0 = force_reg (DImode, op0); + if (!reg_or_8bit_operand (op1, DImode)) + op1 = force_reg (DImode, op1); + } + /* We may be able to use a conditional move directly. This avoids emitting spurious compares. */ if (signed_comparison_operator (cmp, VOIDmode) @@ -2627,11 +2645,13 @@ alpha_emit_conditional_move (rtx cmp, enum machine_mode mode) switch (code) { case EQ: case LE: case LT: case LEU: case LTU: + case UNORDERED: /* We have these compares: */ break; case NE: - /* This must be reversed. */ + case ORDERED: + /* These must be reversed. */ code = reverse_condition (code); cmov_code = EQ; break; |