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| author | Richard Henderson <rth@redhat.com> | 2008-02-07 09:45:24 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2008-02-07 09:45:24 -0800 |
| commit | 32891ff6a1dac549cc54ec990aff52505633d593 (patch) | |
| tree | 0203ab6e3a3a5824c6068a31539b18426d43af15 /gcc | |
| parent | c4ae80d945388a7350ec8cf799f60b30036f7ba9 (diff) | |
| download | gcc-32891ff6a1dac549cc54ec990aff52505633d593.zip gcc-32891ff6a1dac549cc54ec990aff52505633d593.tar.gz gcc-32891ff6a1dac549cc54ec990aff52505633d593.tar.bz2 | |
re PR rtl-optimization/33410 (ICE in iv_analyze_expr, at loop-iv.c:934)
PR rtl-opt/33410
* config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
EXPR_LIST for the REG_EQUAL instead of a comparison with a
funny mode.
From-SVN: r132171
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/alpha/alpha.c | 13 |
2 files changed, 15 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 334fabf..370d11f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2008-07-07 Richard Henderson <rth@redhat.com> + + PR rtl-opt/33410 + * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an + EXPR_LIST for the REG_EQUAL instead of a comparison with a + funny mode. + 2008-02-07 Uros Bizjak <ubizjak@gmail.com> PR tree-optimization/35085 diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 800b354..991193f 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -3047,7 +3047,7 @@ static rtx alpha_emit_xfloating_compare (enum rtx_code *pcode, rtx op0, rtx op1) { enum rtx_code cmp_code, res_code; - rtx func, out, operands[2]; + rtx func, out, operands[2], note; /* X_floating library comparison functions return -1 unordered @@ -3087,10 +3087,13 @@ alpha_emit_xfloating_compare (enum rtx_code *pcode, rtx op0, rtx op1) operands[1] = op1; out = gen_reg_rtx (DImode); - /* ??? Strange mode for equiv because what's actually returned - is -1,0,1, not a proper boolean value. */ - alpha_emit_xfloating_libcall (func, out, operands, 2, - gen_rtx_fmt_ee (cmp_code, CCmode, op0, op1)); + /* What's actually returned is -1,0,1, not a proper boolean value, + so use an EXPR_LIST as with a generic libcall instead of a + comparison type expression. */ + note = gen_rtx_EXPR_LIST (VOIDmode, op1, NULL_RTX); + note = gen_rtx_EXPR_LIST (VOIDmode, op0, note); + note = gen_rtx_EXPR_LIST (VOIDmode, func, note); + alpha_emit_xfloating_libcall (func, out, operands, 2, note); return out; } |