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| author | Richard Henderson <rth@redhat.com> | 2005-10-06 15:48:48 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2005-10-06 15:48:48 -0700 |
| commit | 27add2e89a6265c0d25162cc6fdd964b9fa6239e (patch) | |
| tree | 13ddf65ce8b14580acf95e48c92c06f558511b79 | |
| parent | 4bb1e03799cec1328ad9e84907ff55cbc4168e58 (diff) | |
| download | gcc-27add2e89a6265c0d25162cc6fdd964b9fa6239e.zip gcc-27add2e89a6265c0d25162cc6fdd964b9fa6239e.tar.gz gcc-27add2e89a6265c0d25162cc6fdd964b9fa6239e.tar.bz2 | |
rs6000.c (rs6000_cannot_force_const_mem): New.
* config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
(TARGET_CANNOT_FORCE_CONST_MEM): Use it.
From-SVN: r105069
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 14 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7ad196..41f4aaf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-10-06 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New. + (TARGET_CANNOT_FORCE_CONST_MEM): Use it. + 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu> PR middle-end/22216 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 7077b66..51567e0 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -748,6 +748,7 @@ static rtx rs6000_emit_vector_compare (enum rtx_code, rtx, rtx, static int get_vsel_insn (enum machine_mode); static void rs6000_emit_vector_select (rtx, rtx, rtx, rtx); static tree rs6000_stack_protect_fail (void); +static bool rs6000_cannot_force_const_mem (rtx x); const int INSN_NOT_AVAILABLE = -1; static enum machine_mode rs6000_eh_return_filter_mode (void); @@ -876,7 +877,7 @@ static const char alt_reg_names[][8] = #define TARGET_HAVE_TLS HAVE_AS_TLS #undef TARGET_CANNOT_FORCE_CONST_MEM -#define TARGET_CANNOT_FORCE_CONST_MEM rs6000_tls_referenced_p +#define TARGET_CANNOT_FORCE_CONST_MEM rs6000_cannot_force_const_mem #undef TARGET_ASM_FUNCTION_PROLOGUE #define TARGET_ASM_FUNCTION_PROLOGUE rs6000_output_function_prologue @@ -3107,6 +3108,17 @@ rs6000_legitimize_tls_address (rtx addr, enum tls_model model) return dest; } +/* Primarily this is required for TLS symbols, but given that our move + patterns *ought* to be able to handle any symbol at any time, we + should never be spilling symbolic operands to the constant pool, ever. */ + +static bool +rs6000_cannot_force_const_mem (rtx x) +{ + enum rtx_code code = GET_CODE (x); + return code == SYMBOL_REF || code == LABEL_REF || code == CONST; +} + /* Return 1 if X contains a thread-local symbol. */ bool |