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Interrupt saves all registers (incl. d0-d1/a0-a1).

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This commit is contained in:
Krystian Bacławski
2012-11-01 21:52:02 +01:00
parent 9547fa593c
commit fa14cf7160
1 changed files with 58 additions and 6 deletions
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patches/gcc-2.95.3/zza_interrupt_handler.diff
+58 -6
View File
@@ -1,4 +1,4 @@
diff -durN gcc-2.95.3/gcc/config/m68k/amigaos.c gcc-2.95.3/gcc/config/m68k/amigaos.c
unchanged:
--- gcc-2.95.3/gcc/config/m68k/amigaos.c 2012-11-01 18:18:09.000000000 +0100
+++ gcc-2.95.3/gcc/config/m68k/amigaos.c 2012-11-01 16:57:00.000000000 +0100
@@ -144,14 +144,16 @@
@@ -20,7 +20,7 @@ diff -durN gcc-2.95.3/gcc/config/m68k/amigaos.c gcc-2.95.3/gcc/config/m68k/amiga
{
if (lookup_attribute ("stackext", attributes))
{
diff -durN gcc-2.95.3/gcc/config/m68k/amigaos.h gcc-2.95.3/gcc/config/m68k/amigaos.h
unchanged:
--- gcc-2.95.3/gcc/config/m68k/amigaos.h 2012-11-01 18:18:09.000000000 +0100
+++ gcc-2.95.3/gcc/config/m68k/amigaos.h 2012-11-01 17:14:26.000000000 +0100
@@ -92,6 +92,7 @@
@@ -70,7 +70,7 @@ diff -durN gcc-2.95.3/gcc/config/m68k/amigaos.h gcc-2.95.3/gcc/config/m68k/amiga
struct rtx_def* gen_stack_cleanup_call ();
#define HAVE_restore_stack_nonlocal TARGET_STACKEXTEND
diff -durN gcc-2.95.3/gcc/config/m68k/m68k.md gcc-2.95.3/gcc/config/m68k/m68k.md
unchanged:
--- gcc-2.95.3/gcc/config/m68k/m68k.md 2012-11-01 18:18:09.000000000 +0100
+++ gcc-2.95.3/gcc/config/m68k/m68k.md 2012-11-01 17:51:35.000000000 +0100
@@ -6965,7 +6965,10 @@
@@ -85,7 +85,7 @@ diff -durN gcc-2.95.3/gcc/config/m68k/m68k.md gcc-2.95.3/gcc/config/m68k/m68k.md
operands[0] = GEN_INT (current_function_pops_args);
return \"rtd %0\";
}")
diff -durN gcc-2.95.3/gcc/function.c gcc-2.95.3/gcc/function.c
unchanged:
--- gcc-2.95.3/gcc/function.c 2012-11-01 18:18:09.000000000 +0100
+++ gcc-2.95.3/gcc/function.c 2012-11-01 17:53:42.000000000 +0100
@@ -165,6 +165,8 @@
@@ -131,7 +131,7 @@ diff -durN gcc-2.95.3/gcc/function.c gcc-2.95.3/gcc/function.c
current_function_returns_pcc_struct = 0;
current_function_returns_struct = 0;
diff -durN gcc-2.95.3/gcc/function.h gcc-2.95.3/gcc/function.h
unchanged:
--- gcc-2.95.3/gcc/function.h 1999-07-02 01:49:42.000000000 +0200
+++ gcc-2.95.3/gcc/function.h 2012-11-01 17:39:11.000000000 +0100
@@ -82,6 +82,7 @@
@@ -142,7 +142,7 @@ diff -durN gcc-2.95.3/gcc/function.h gcc-2.95.3/gcc/function.h
rtx nonlocal_goto_handler_slots;
rtx nonlocal_goto_handler_labels;
rtx nonlocal_goto_stack_level;
diff -durN gcc-2.95.3/gcc/output.h gcc-2.95.3/gcc/output.h
unchanged:
--- gcc-2.95.3/gcc/output.h 1999-05-27 04:02:14.000000000 +0200
+++ gcc-2.95.3/gcc/output.h 2012-11-01 17:47:53.000000000 +0100
@@ -346,6 +346,8 @@
@@ -154,3 +154,55 @@ diff -durN gcc-2.95.3/gcc/output.h gcc-2.95.3/gcc/output.h
/* Nonzero if function being compiled needs to be given an address
where the value should be stored. */
only in patch2:
unchanged:
--- gcc-2.95.3/gcc/config/m68k/m68k.c 2012-11-01 21:25:02.000000000 +0100
+++ gcc-2.95.3/gcc/config/m68k/m68k.c 2012-11-01 21:07:45.000000000 +0100
@@ -342,7 +342,8 @@
if (TARGET_68881)
{
for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (regs_ever_live[regno] && (! call_used_regs[regno]
+ || current_function_is_interrupt))
{
mask |= 1 << (regno - 16);
num_saved_regs++;
@@ -375,7 +376,8 @@
num_saved_regs = 0;
}
for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (regs_ever_live[regno] && (! call_used_regs[regno]
+ || current_function_is_interrupt))
{
mask |= 1 << (15 - regno);
num_saved_regs++;
@@ -528,7 +530,8 @@
separate layout routine to perform the common work. */
for (regno = 0 ; regno < FIRST_PSEUDO_REGISTER ; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (regs_ever_live[regno] && (! call_used_regs[regno]
+ || current_function_is_interrupt))
return 0;
return 1;
@@ -589,7 +592,8 @@
if (TARGET_68881)
{
for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (regs_ever_live[regno] && (! call_used_regs[regno]
+ || current_function_is_interrupt))
{
nregs++;
fmask |= 1 << (23 - regno);
@@ -600,7 +604,8 @@
if (frame_pointer_needed)
regs_ever_live[FRAME_POINTER_REGNUM] = 0;
for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (regs_ever_live[regno] && (! call_used_regs[regno]
+ || current_function_is_interrupt))
{