diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 17 |
2 files changed, 19 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db93898..3a87ac9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2004-06-21 Kelley Cook <kcook@gcc.gnu.org> + + PR target/15551 + * config/i386/i386.md: Change UNSPEC_STACK_PROBE to UNSPECV_STACK_PROBE. + (allocate_stack_worker): Make unspec_volatile. + (allocate_stack_worker_rex64): Likewise. + (allocate_stack_worker_postreload): Likewise. + (allocate_stack_worker_rex64_postreload): Likewise. + 2004-06-21 Daniel Berlin <dberlin@dberlin.org> Fix PR optimization/15982 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 54d327e..f7270a8 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1,3 +1,4 @@ + ;; GCC machine description for IA-32 and x86-64. ;; Copyright (C) 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000, ;; 2001, 2002, 2003, 2004 @@ -63,7 +64,6 @@ (UNSPEC_INDNTPOFF 8) ; Prologue support - (UNSPEC_STACK_PROBE 10) (UNSPEC_STACK_ALLOC 11) (UNSPEC_SET_GOT 12) (UNSPEC_SSE_PROLOGUE_SAVE 13) @@ -143,6 +143,7 @@ (define_constants [(UNSPECV_BLOCKAGE 0) + (UNSPECV_STACK_PROBE 10) (UNSPECV_EMMS 31) (UNSPECV_LDMXCSR 37) (UNSPECV_STMXCSR 40) @@ -18310,7 +18311,8 @@ }) (define_insn "allocate_stack_worker_1" - [(unspec:SI [(match_operand:SI 0 "register_operand" "a")] UNSPEC_STACK_PROBE) + [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "a")] + UNSPECV_STACK_PROBE) (set (reg:SI SP_REG) (minus:SI (reg:SI SP_REG) (match_dup 0))) (clobber (match_scratch:SI 1 "=0")) (clobber (reg:CC FLAGS_REG))] @@ -18320,8 +18322,8 @@ (set_attr "length" "5")]) (define_expand "allocate_stack_worker_postreload" - [(parallel [(unspec:SI [(match_operand:SI 0 "register_operand" "a")] - UNSPEC_STACK_PROBE) + [(parallel [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "a")] + UNSPECV_STACK_PROBE) (set (reg:SI SP_REG) (minus:SI (reg:SI SP_REG) (match_dup 0))) (clobber (match_dup 0)) (clobber (reg:CC FLAGS_REG))])] @@ -18329,7 +18331,8 @@ "") (define_insn "allocate_stack_worker_rex64" - [(unspec:DI [(match_operand:DI 0 "register_operand" "a")] UNSPEC_STACK_PROBE) + [(unspec_volatile:DI [(match_operand:DI 0 "register_operand" "a")] + UNSPECV_STACK_PROBE) (set (reg:DI SP_REG) (minus:DI (reg:DI SP_REG) (match_dup 0))) (clobber (match_scratch:DI 1 "=0")) (clobber (reg:CC FLAGS_REG))] @@ -18339,8 +18342,8 @@ (set_attr "length" "5")]) (define_expand "allocate_stack_worker_rex64_postreload" - [(parallel [(unspec:DI [(match_operand:DI 0 "register_operand" "a")] - UNSPEC_STACK_PROBE) + [(parallel [(unspec_volatile:DI [(match_operand:DI 0 "register_operand" "a")] + UNSPECV_STACK_PROBE) (set (reg:DI SP_REG) (minus:DI (reg:DI SP_REG) (match_dup 0))) (clobber (match_dup 0)) (clobber (reg:CC FLAGS_REG))])] |