From 6c61c2bba11355ba204a14ea196235d5eeeb1e1e Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 4 Nov 1998 20:04:04 -0800 Subject: [PATCH] alpha.md (addsi3, subsi3): No new temporaries once cse is no longer expected. * alpha.md (addsi3, subsi3): No new temporaries once cse is no longer expected. From-SVN: r23537 --- gcc/ChangeLog | 5 +++++ gcc/config/alpha/alpha.md | 30 ++++++++++++++++++++++-------- 2 files changed, 27 insertions(+), 8 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f851757cb8b..818cff05da8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Nov 5 04:03:06 1998 Richard Henderson + + * alpha.md (addsi3, subsi3): No new temporaries once cse is + no longer expected. + Thu Nov 5 03:29:19 1998 Richard Henderson * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as diff --git a/gcc/config/alpha/alpha.md b/gcc/config/alpha/alpha.md index c88497e3b35..8ae03e6fcd3 100644 --- a/gcc/config/alpha/alpha.md +++ b/gcc/config/alpha/alpha.md @@ -427,10 +427,17 @@ "" " { - rtx tmp = gen_reg_rtx (DImode); - emit_insn (gen_adddi3 (tmp, gen_lowpart (DImode, operands[1]), - gen_lowpart (DImode, operands[2]))); - emit_move_insn (operands[0], gen_lowpart (SImode, tmp)); + rtx op1 = gen_lowpart (DImode, operands[1]); + rtx op2 = gen_lowpart (DImode, operands[2]); + + if (! cse_not_expected) + { + rtx tmp = gen_reg_rtx (DImode); + emit_insn (gen_adddi3 (tmp, op1, op2)); + emit_move_insn (operands[0], gen_lowpart (SImode, tmp)); + } + else + emit_insn (gen_adddi3 (gen_lowpart (DImode, operands[0]), op1, op2)); DONE; } ") @@ -714,10 +721,17 @@ "" " { - rtx tmp = gen_reg_rtx (DImode); - emit_insn (gen_subdi3 (tmp, gen_lowpart (DImode, operands[1]), - gen_lowpart (DImode, operands[2]))); - emit_move_insn (operands[0], gen_lowpart (SImode, tmp)); + rtx op1 = gen_lowpart (DImode, operands[1]); + rtx op2 = gen_lowpart (DImode, operands[2]); + + if (! cse_not_expected) + { + rtx tmp = gen_reg_rtx (DImode); + emit_insn (gen_subdi3 (tmp, op1, op2)); + emit_move_insn (operands[0], gen_lowpart (SImode, tmp)); + } + else + emit_insn (gen_subdi3 (gen_lowpart (DImode, operands[0]), op1, op2)); DONE; } ") -- 2.30.2