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| author | DJ Delorie <dj@redhat.com> | 2003-05-05 11:25:01 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2003-05-05 11:25:01 -0400 |
| commit | 9be132116ffa940ced88cd60f5833a96af263937 (patch) | |
| tree | 5d76d6689e2343d7cd7bd4baf6411eed836615c1 /gcc | |
| parent | 517f33152b70ac5d86d4dbc6e75f6bfabe6b49b7 (diff) | |
| download | gcc-9be132116ffa940ced88cd60f5833a96af263937.zip gcc-9be132116ffa940ced88cd60f5833a96af263937.tar.gz gcc-9be132116ffa940ced88cd60f5833a96af263937.tar.bz2 | |
stormy16.md (negsi2): Allocate the pseudos before reload, but defer the split until after.
* config/stormy16/stormy16.md (negsi2): Allocate the pseudos
before reload, but defer the split until after.
* config/stormy16/stormy16.c (xstormy16_expand_arith): Modify
to match.
From-SVN: r66485
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/stormy16/stormy16.c | 13 | ||||
| -rw-r--r-- | gcc/config/stormy16/stormy16.md | 20 |
3 files changed, 26 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 90ae04a..5ea7593 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2003-05-05 DJ Delorie <dj@redhat.com> + + * config/stormy16/stormy16.md (negsi2): Allocate the pseudos + before reload, but defer the split until after. + * config/stormy16/stormy16.c (xstormy16_expand_arith): Modify + to match. + 2003-05-05 David Edelsohn <edelsohn@gnu.org> * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 440 support. diff --git a/gcc/config/stormy16/stormy16.c b/gcc/config/stormy16/stormy16.c index b70a8c5..d819981 100644 --- a/gcc/config/stormy16/stormy16.c +++ b/gcc/config/stormy16/stormy16.c @@ -1873,22 +1873,15 @@ xstormy16_expand_arith (mode, code, dest, src0, src1, carry) int firstloop = 1; if (code == NEG) - { - rtx zero_reg = gen_reg_rtx (word_mode); - emit_move_insn (zero_reg, src0); - src0 = zero_reg; - } + emit_move_insn (src0, const0_rtx); for (i = 0; i < num_words; i++) { rtx w_src0, w_src1, w_dest; rtx insn; - if (code == NEG) - w_src0 = src0; - else - w_src0 = simplify_gen_subreg (word_mode, src0, mode, - i * UNITS_PER_WORD); + w_src0 = simplify_gen_subreg (word_mode, src0, mode, + i * UNITS_PER_WORD); w_src1 = simplify_gen_subreg (word_mode, src1, mode, i * UNITS_PER_WORD); w_dest = simplify_gen_subreg (word_mode, dest, mode, i * UNITS_PER_WORD); diff --git a/gcc/config/stormy16/stormy16.md b/gcc/config/stormy16/stormy16.md index 1e48f8b..0e52b53 100644 --- a/gcc/config/stormy16/stormy16.md +++ b/gcc/config/stormy16/stormy16.md @@ -603,11 +603,23 @@ [(set_attr "length" "4")]) (define_expand "negsi2" - [(set (match_operand:SI 0 "register_operand" "") - (neg:SI (match_operand:SI 1 "register_operand" "")))] + [(parallel [(set (match_operand:SI 0 "register_operand" "") + (neg:SI (match_operand:SI 1 "register_operand" ""))) + (clobber (match_scratch:BI 2 ""))])] + "" + "{ operands[2] = gen_reg_rtx (HImode); + operands[3] = gen_reg_rtx (BImode); }") + +(define_insn_and_split "*negsi2_internal" + [(set (match_operand:SI 0 "register_operand" "=&r") + (neg:SI (match_operand:SI 1 "register_operand" "r"))) + (clobber (match_scratch:BI 2 "=y"))] "" - "{ xstormy16_expand_arith (SImode, NEG, operands[0], const0_rtx, - operands[1], gen_reg_rtx (BImode)); DONE; }") + "#" + "reload_completed" + [(pc)] + "{ xstormy16_expand_arith (SImode, NEG, operands[0], operands[0], + operands[1], operands[2]); DONE; }") ;; :::::::::::::::::::: ;; :: |