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| author | Richard Henderson <rth@redhat.com> | 2004-06-07 10:21:05 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-06-07 10:21:05 -0700 |
| commit | 5c64c9001b34df259ef676ec1af22a652dcd3607 (patch) | |
| tree | 5e74f52ca677863288bf42f1e90e033f30e5e686 /gcc | |
| parent | 07d5edd25f93b247c49250803a3e37b8f17027b2 (diff) | |
| download | gcc-5c64c9001b34df259ef676ec1af22a652dcd3607.zip gcc-5c64c9001b34df259ef676ec1af22a652dcd3607.tar.gz gcc-5c64c9001b34df259ef676ec1af22a652dcd3607.tar.bz2 | |
re PR rtl-optimization/15193 (Unary minus using pointer to V4SF vector causes -fforce-mem to exhaust all memory)
PR rtl-opt/15193
* expmed.c (extract_bit_field): Fix vector_extract return.
* config/i386/i386.md (negv4sf2): New pattern.
From-SVN: r82699
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 12 | ||||
| -rw-r--r-- | gcc/expmed.c | 5 |
3 files changed, 21 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4ba070b..a096a8a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-06-07 Richard Henderson <rth@redhat.com> + + PR rtl-opt/15193 + * expmed.c (extract_bit_field): Fix vector_extract return. + + * config/i386/i386.md (negv4sf2): New pattern. + 2004-06-07 Mark Mitchell <mark@codesourcery.com> PR c++/15337 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 770a7af..ed2c579 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -20404,6 +20404,18 @@ [(set_attr "type" "sseadd") (set_attr "mode" "SF")]) +;; ??? Should probably be done by generic code instead. +(define_expand "negv4sf2" + [(set (match_operand:V4SF 0 "register_operand" "") + (xor:V4SF (match_operand:V4SF 1 "nonimmediate_operand" "") + (match_dup 2)))] + "TARGET_SSE" +{ + rtx m0 = gen_lowpart (SFmode, gen_int_mode (0x80000000, SImode)); + rtx vm0 = gen_rtx_CONST_VECTOR (V4SFmode, gen_rtvec (4, m0, m0, m0, m0)); + operands[2] = force_reg (V4SFmode, vm0); +}) + (define_insn "mulv4sf3" [(set (match_operand:V4SF 0 "register_operand" "=x") (mult:V4SF (match_operand:V4SF 1 "register_operand" "0") diff --git a/gcc/expmed.c b/gcc/expmed.c index 3751bc5..9679b71 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -1125,6 +1125,7 @@ extract_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, || ! (*insn_data[icode].operand[1].predicate) (src, mode1) || ! (*insn_data[icode].operand[2].predicate) (rtxpos, mode2)) abort (); + pat = GEN_FCN (icode) (dest, src, rtxpos); seq = get_insns (); end_sequence (); @@ -1132,9 +1133,7 @@ extract_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, { emit_insn (seq); emit_insn (pat); - return extract_bit_field (dest, bitsize, - bitnum - pos * GET_MODE_BITSIZE (innermode), - unsignedp, target, mode, tmode, total_size); + return dest; } } |