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| author | Uros Bizjak <uros@gcc.gnu.org> | 2008-11-06 13:01:23 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2008-11-06 13:01:23 +0100 |
| commit | 11f48903b00851c8edc5cf24a3497b8cf9957173 (patch) | |
| tree | 4d0042906314a961d0a3980e433ba13bcb8b0780 /gcc | |
| parent | 8d3323ded5f5707cf7faffa50925e9b22334eeec (diff) | |
| download | gcc-11f48903b00851c8edc5cf24a3497b8cf9957173.zip gcc-11f48903b00851c8edc5cf24a3497b8cf9957173.tar.gz gcc-11f48903b00851c8edc5cf24a3497b8cf9957173.tar.bz2 | |
reg-stack.c (reg_to_stack): Generate +QNaN using real_nan.
* reg-stack.c (reg_to_stack): Generate +QNaN using real_nan.
From-SVN: r141640
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/reg-stack.c | 7 |
2 files changed, 12 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ac8bc74..e0f76e8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2008-11-06 Uros Bizjak <ubizjak@gmail.com> + + * reg-stack.c (reg_to_stack): Generate +QNaN using real_nan. + 2008-11-06 Ben Elliston <bje@au.ibm.com> * gcc.c: Remove ancient comment about a bug in Sun cc. @@ -35,7 +39,8 @@ qualified pointer conversion before stripping qualifiers. * gimplify.c (create_tmp_from_val): Use correctly qualified type. * tree-flow.h (may_propagate_address_into_dereference): Declare. - * tree-ssa-ccp.c (may_propagate_address_into_dereference): New function. + * tree-ssa-ccp.c (may_propagate_address_into_dereference): New + function. (ccp_fold): Use it. * tree-ssa-forwprop.c (rhs_to_tree): Remove useless conversions, properly canonicalize binary ops. @@ -718,8 +723,7 @@ 2008-10-19 Manuel López-Ibáñez <manu@gcc.gnu.org> PR c/30260 - * c-decl.c (finish_enum): Convert non-integer enumerators to enum - type. + * c-decl.c (finish_enum): Convert non-integer enumerators to enum type. (build_enumerator): Convert enumerators that fit in integer to integer type. diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 0cde0cb..7511d18 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -3180,14 +3180,17 @@ reg_to_stack (void) ??? We can't load from constant memory in PIC mode, because we're inserting these instructions before the prologue and the PIC register hasn't been set up. In that case, fall back - on zero, which we can get from `ldz'. */ + on zero, which we can get from `fldz'. */ if ((flag_pic && !TARGET_64BIT) || ix86_cmodel == CM_LARGE || ix86_cmodel == CM_LARGE_PIC) not_a_num = CONST0_RTX (SFmode); else { - not_a_num = gen_lowpart (SFmode, GEN_INT (0x7fc00000)); + REAL_VALUE_TYPE r; + + real_nan (&r, "", 1, SFmode); + not_a_num = CONST_DOUBLE_FROM_REAL_VALUE (r, SFmode); not_a_num = force_const_mem (SFmode, not_a_num); } |