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| author | Richard Henderson <rth@redhat.com> | 2001-07-26 16:47:15 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-07-26 16:47:15 -0700 |
| commit | 732910b9c53b72ae93ef74e22cb9b35c9f69ed83 (patch) | |
| tree | 8034b92545d1aa23faec2e0ccf18de8061813335 /gcc | |
| parent | 62ba5f39b2c80f527974e4d58eb09a8d2a35bb7c (diff) | |
| download | gcc-732910b9c53b72ae93ef74e22cb9b35c9f69ed83.zip gcc-732910b9c53b72ae93ef74e22cb9b35c9f69ed83.tar.gz gcc-732910b9c53b72ae93ef74e22cb9b35c9f69ed83.tar.bz2 | |
simplify-rtx.c (avoid_constant_pool_reference): Export.
* simplify-rtx.c (avoid_constant_pool_reference): Export.
* rtl.h (avoid_constant_pool_reference): Declare it.
* dwarf2out.c (add_location_or_const_value_attribute): Use it.
(add_const_value_attribute): Use add_AT_unsigned for unsigned values.
From-SVN: r44411
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 7 | ||||
| -rw-r--r-- | gcc/rtl.h | 1 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 3 |
4 files changed, 15 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fddead1..08f8c66 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2001-07-26 Richard Henderson <rth@redhat.com> + + * simplify-rtx.c (avoid_constant_pool_reference): Export. + * rtl.h (avoid_constant_pool_reference): Declare it. + * dwarf2out.c (add_location_or_const_value_attribute): Use it. + (add_const_value_attribute): Use add_AT_unsigned for unsigned values. + Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz> * rtl.h (cleanup_barriers): Declare. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 13a7e57..b31eaa8 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -8215,7 +8215,7 @@ add_const_value_attribute (die, rtl) { if ((unsigned long) val != (unsigned HOST_WIDE_INT) val) abort (); - add_AT_int (die, DW_AT_const_value, (unsigned long) val); + add_AT_unsigned (die, DW_AT_const_value, (unsigned long) val); } } break; @@ -8474,6 +8474,11 @@ add_location_or_const_value_attribute (die, decl) if (rtl == NULL_RTX) return; + /* If we don't look past the constant pool, we risk emitting a + reference to a constant pool entry that isn't referenced from + code, and thus is not emitted. */ + rtl = avoid_constant_pool_reference (rtl); + switch (GET_CODE (rtl)) { case ADDRESSOF: @@ -1345,6 +1345,7 @@ extern rtx simplify_gen_subreg PARAMS ((enum machine_mode, unsigned int)); extern rtx simplify_replace_rtx PARAMS ((rtx, rtx, rtx)); extern rtx simplify_rtx PARAMS ((rtx)); +extern rtx avoid_constant_pool_reference PARAMS ((rtx)); /* In function.c */ extern rtx gen_mem_addressof PARAMS ((rtx, union tree_node *)); diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 1961f19..1a6f306 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -99,7 +99,6 @@ Boston, MA 02111-1307, USA. */ static rtx simplify_plus_minus PARAMS ((enum rtx_code, enum machine_mode, rtx, rtx)); static void check_fold_consts PARAMS ((PTR)); -static rtx avoid_constant_pool_reference PARAMS ((rtx)); /* Make a binary operation by properly ordering the operands and seeing if the expression folds. */ @@ -138,7 +137,7 @@ simplify_gen_binary (code, mode, op0, op1) /* If X is a MEM referencing the constant pool, return the real value. Otherwise return X. */ -static rtx +rtx avoid_constant_pool_reference (x) rtx x; { |