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Important bug-fix (already in egcs-snapshot) to allow compiling

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libssl with -O2 on m68k.
This commit is contained in:
espie 1999-01-31 16:51:50 +00:00
parent 865a719970
commit 1308348a1b
2 changed files with 140 additions and 0 deletions
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70
lang/egcs-stable/patches/patch-core-m68k Normal file
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@ -0,0 +1,70 @@
Subject: Re: ICE on m68k-unknown-openbsd24, egcs-1.1.1
From: Jeffrey A Law <law@hurl.cygnus.com>
In message <19981213231720.65462@liafa1.liafa.jussieu.fr>you write:
> Rather non-sensical code-sample, I've trimmed everything that I could...
>
> This triggers an ICE on m68k-unknown-openbsd24 with any optimization
> (-O or -O2):
> reload.c: 3524: Internal compiler error in function find_reloads
> Even if it's fixed in recent snapshots, a patch would be appreciated...
>
> void f()
> {
> unsigned long *wnump;
> unsigned long d0;
> unsigned long long rem;
> for (;;)
> {
> rem=(unsigned long long )d0*d0;
> if ((rem <= ((unsigned long long )(rem<< 32 )+wnump[-2])))
> break;
> }
> }
> --
This patch should fix your problem.
* m68k.md (adddi_dilshr32): Allow all operands to be registers too.
(adddi_dishl32): Similarly.
Index: m68k.md
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/config/m68k/m68k.md,v
retrieving revision 1.23
diff -c -3 -p -r1.23 m68k.md
*** m68k.md 1998/12/16 21:06:58 1.23
--- m68k.md 1998/12/31 08:12:59
***************
*** 2104,2110 ****
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (lshiftrt:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (lshiftrt:DI (match_operand:DI 1 "general_operand" "o,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""
--- 2104,2110 ----
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (lshiftrt:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (lshiftrt:DI (match_operand:DI 1 "general_operand" "ro,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""
***************
*** 2123,2129 ****
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (ashift:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (ashift:DI (match_operand:DI 1 "general_operand" "o,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""
--- 2123,2129 ----
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (ashift:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (ashift:DI (match_operand:DI 1 "general_operand" "ro,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""

70
lang/egcs/stable/patches/patch-core-m68k Normal file
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@ -0,0 +1,70 @@
Subject: Re: ICE on m68k-unknown-openbsd24, egcs-1.1.1
From: Jeffrey A Law <law@hurl.cygnus.com>
In message <19981213231720.65462@liafa1.liafa.jussieu.fr>you write:
> Rather non-sensical code-sample, I've trimmed everything that I could...
>
> This triggers an ICE on m68k-unknown-openbsd24 with any optimization
> (-O or -O2):
> reload.c: 3524: Internal compiler error in function find_reloads
> Even if it's fixed in recent snapshots, a patch would be appreciated...
>
> void f()
> {
> unsigned long *wnump;
> unsigned long d0;
> unsigned long long rem;
> for (;;)
> {
> rem=(unsigned long long )d0*d0;
> if ((rem <= ((unsigned long long )(rem<< 32 )+wnump[-2])))
> break;
> }
> }
> --
This patch should fix your problem.
* m68k.md (adddi_dilshr32): Allow all operands to be registers too.
(adddi_dishl32): Similarly.
Index: m68k.md
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/config/m68k/m68k.md,v
retrieving revision 1.23
diff -c -3 -p -r1.23 m68k.md
*** m68k.md 1998/12/16 21:06:58 1.23
--- m68k.md 1998/12/31 08:12:59
***************
*** 2104,2110 ****
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (lshiftrt:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (lshiftrt:DI (match_operand:DI 1 "general_operand" "o,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""
--- 2104,2110 ----
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (lshiftrt:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (lshiftrt:DI (match_operand:DI 1 "general_operand" "ro,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""
***************
*** 2123,2129 ****
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (ashift:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (ashift:DI (match_operand:DI 1 "general_operand" "o,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""
--- 2123,2129 ----
;; (plus:DI (match_operand:DI 2 "general_operand" "%0")
;; (ashift:DI (match_operand:DI 1 "general_operand" "ro")
;; (const_int 32))))]
! (plus:DI (ashift:DI (match_operand:DI 1 "general_operand" "ro,r")
(const_int 32))
(match_operand:DI 2 "general_operand" "0,0")))]
""