pa.h (TARGET_SWITCHES): Add new flags "-mlong-load-store" and "-mno-long-load-store".

        * pa.h (TARGET_SWITCHES): Add new flags "-mlong-load-store" and
        "-mno-long-load-store".
        (TARGET_LONG_LOAD_STORE): Define.
        * pa.md (symbolic high part): Handle TARGET_LONG_LOAD_STORE.

From-SVN: r11384

diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h
index 28984bec5387f79590ea2459cd47a6f6e7cee610..89697db8c82d6ee7f7398acfd90026e51890ba63 100644 (file)
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -101,6 +101,10 @@ extern int target_flags;
 
 #define TARGET_SOFT_FLOAT (target_flags & 256)
 
+/* Use 3-insn load/store sequences for access to large data segments
+   in shared libraries on hpux10.  */
+#define TARGET_LONG_LOAD_STORE (target_flags & 512)
+
 /* Macro to define tables used to set the flags.
    This is a list in braces of pairs in braces,
    each pair being { "NAME", VALUE }
@@ -126,6 +130,8 @@ extern int target_flags;
    {"no-gas", -128},           \
    {"soft-float", 256},                \
    {"no-soft-float", -256},    \
+   {"long-load-store", 512},   \
+   {"no-long-load-store", -512},\
    {"linker-opt", 0},          \
    { "", TARGET_DEFAULT}}
 

diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index 724ad13fcfbf3084042052cc8bf7c915f675511f..1aeeb61ff483c8684ee2cff6c70b7a61942104e7 100644 (file)
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -1693,9 +1693,19 @@
    && ! function_label_operand (operands[1])
    && ! read_only_operand (operands[1])
    && ! flag_pic"
-  "addil LR'%H1,%%r27"
+  "*
+{
+  if (TARGET_LONG_LOAD_STORE)
+    return \"addil NLR'%H1,%%r27\;ldo N'%H1(%%r1),%%r1\";
+  else
+    return \"addil LR'%H1,%%r27\";
+}"
   [(set_attr "type" "binary")
-   (set_attr "length" "4")])
+   (set (attr "length")
+      (if_then_else (eq (symbol_ref "TARGET_LONG_LOAD_STORE") (const_int 0))
+                   (const_int 4)
+                   (const_int 8)))])
+
 
 ;; This is for use in the prologue/epilogue code.  We need it
 ;; to add large constants to a stack pointer or frame pointer.