diff options
Diffstat (limited to 'gcc/config/i386/predicates.md')
| -rw-r--r-- | gcc/config/i386/predicates.md | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md index b3cf2a3..2c4cfe6 100644 --- a/gcc/config/i386/predicates.md +++ b/gcc/config/i386/predicates.md @@ -160,13 +160,18 @@ return trunc_int_for_mode (val, SImode) == val; } case SYMBOL_REF: + /* TLS symbols are not constant. */ + if (SYMBOL_REF_TLS_MODEL (op)) + return false; + + /* Load the external function address via the GOT slot. */ + if (ix86_force_load_from_GOT_p (op)) + return false; + /* For certain code models, the symbolic references are known to fit. in CM_SMALL_PIC model we know it fits if it is local to the shared library. Don't count TLS SYMBOL_REFs here, since they should fit only if inside of UNSPEC handled below. */ - /* TLS symbols are not constant. */ - if (SYMBOL_REF_TLS_MODEL (op)) - return false; return (ix86_cmodel == CM_SMALL || ix86_cmodel == CM_KERNEL || (ix86_cmodel == CM_MEDIUM && !SYMBOL_REF_FAR_ADDR_P (op))); @@ -207,6 +212,11 @@ /* TLS symbols are not constant. */ if (SYMBOL_REF_TLS_MODEL (op1)) return false; + + /* Load the external function address via the GOT slot. */ + if (ix86_force_load_from_GOT_p (op1)) + return false; + /* For CM_SMALL assume that latest object is 16MB before end of 31bits boundary. We may also accept pretty large negative constants knowing that all objects are @@ -273,10 +283,15 @@ return !(INTVAL (op) & ~(HOST_WIDE_INT) 0xffffffff); case SYMBOL_REF: - /* For certain code models, the symbolic references are known to fit. */ /* TLS symbols are not constant. */ if (SYMBOL_REF_TLS_MODEL (op)) return false; + + /* Load the external function address via the GOT slot. */ + if (ix86_force_load_from_GOT_p (op)) + return false; + + /* For certain code models, the symbolic references are known to fit. */ return (ix86_cmodel == CM_SMALL || (ix86_cmodel == CM_MEDIUM && !SYMBOL_REF_FAR_ADDR_P (op))); @@ -301,6 +316,11 @@ /* TLS symbols are not constant. */ if (SYMBOL_REF_TLS_MODEL (op1)) return false; + + /* Load the external function address via the GOT slot. */ + if (ix86_force_load_from_GOT_p (op1)) + return false; + /* For small code model we may accept pretty large positive offsets, since one bit is available for free. Negative offsets are limited by the size of NULL pointer area |