pa.h (TARGET_JUMP_IN_DELAY): New target flag to allow/disallow jump instructions...

	* pa.h (TARGET_JUMP_IN_DELAY): New target flag to allow/disallow
	jump instructions in call delay slots.
	(TARGET_SWITCHES): Add -mjump-in-delay and -mno-jump-in-delay.
	Provide -mno alternatives for most options.
	(output_call): Declare.

From-SVN: r4914

diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h
index d0f1803..d804180 100644 (file)
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -54,6 +54,9 @@ extern int target_flags;
 
 #define TARGET_KERNEL (target_flags & 4)
 
+/* Allow unconditional jumps in the delay slots of call instructions.  */
+#define TARGET_JUMP_IN_DELAY (target_flags & 8)
+
 /* Force all function calls to indirect addressing via a register.  This
    avoids lossage when the function is very far away from the current PC.
 
@@ -78,15 +81,22 @@ extern int target_flags;
    An empty string NAME is used to identify the default VALUE.  */
 
 #define TARGET_SWITCHES \
-  {{"snake", 1},       \
-   {"nosnake", -1},    \
-   {"pa-risc-1-0", -1},        \
-   {"pa-risc-1-1", 1}, \
-   {"disable-fpregs", 2},\
-   {"kernel", 4},      \
-   {"long-calls", 16}, \
-   {"disable-indexing", 32},\
-   {"trailing-colon", 64},\
+  {{"snake", 1},               \
+   {"nosnake", -1},            \
+   {"pa-risc-1-0", -1},                \
+   {"pa-risc-1-1", 1},         \
+   {"disable-fpregs", 2},      \
+   {"no-disable-fpregs", 2},   \
+   {"kernel", 4},              \
+   {"no-kernel", -4},          \
+   {"jump-in-delay", 8},       \
+   {"no-jump-in-delay", -8},   \
+   {"long-calls", 16},         \
+   {"no-long-calls", -16},     \
+   {"disable-indexing", 32},   \
+   {"no-disable-indexing", -32},\
+   {"trailing-colon", 64},     \
+   {"no-trailing-colon", -64}, \
    { "", TARGET_DEFAULT}}
 
 #ifndef TARGET_DEFAULT
@@ -1871,6 +1881,7 @@ extern char *output_bb ();
 extern char *output_dbra ();
 extern char *output_movb ();
 extern char *output_return ();
+extern char *output_call ();
 extern char *output_floatsisf2 ();
 extern char *output_floatsidf2 ();
 extern char *output_mul_insn ();