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rs6000.c (ptr_regno_for_savres): Comment. 

gcc/
	* config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
	(rs6000_emit_prologue): Ensure register used for inline saves
	of vector regs is not the static chain register.  Revise comment.
gcc/testsuite/
	* gcc.target/powerpc/savres.c: Add -mdynamic-no-pic for darwin.
	Check static chain in nested funcs.

From-SVN: r188225
This commit is contained in:
Alan Modra 2012-06-05 11:29:14 +09:30 committed by Alan Modra
parent 6d1f6affb2
commit 46f714c862
4 changed files with 158 additions and 71 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2012-06-05 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
(rs6000_emit_prologue): Ensure register used for inline saves
of vector regs is not the static chain register. Revise comment.
2012-06-04 Oleg Endo <olegendo@gcc.gnu.org>
* doc/md.texi (Standard Pattern Names For Generation): Document

12
gcc/config/rs6000/rs6000.c
View File

@ -19109,6 +19109,9 @@ rs6000_emit_stack_reset (rs6000_stack_t *info,
return NULL_RTX;
}
/* Return the register number used as a pointer by out-of-line
save/restore functions. */
static inline unsigned
ptr_regno_for_savres (int sel)
{
@ -19846,6 +19849,9 @@ rs6000_emit_prologue (void)
int sel = SAVRES_SAVE | SAVRES_VR;
unsigned ptr_regno = ptr_regno_for_savres (sel);
if (using_static_chain_p
&& ptr_regno == STATIC_CHAIN_REGNUM)
ptr_regno = 12;
if (REGNO (frame_reg_rtx) != ptr_regno)
START_USE (ptr_regno);
ptr_reg = gen_rtx_REG (Pmode, ptr_regno);
@ -19954,9 +19960,9 @@ rs6000_emit_prologue (void)
int offset;
int save_regno;
/* Get VRSAVE onto a GPR. Note that ABI_V4 might be using r12
as frame_reg_rtx and r11 as the static chain pointer for
nested functions. */
/* Get VRSAVE onto a GPR. Note that ABI_V4 and ABI_DARWIN might
be using r12 as frame_reg_rtx and r11 as the static chain
pointer for nested functions. */
save_regno = 12;
if (DEFAULT_ABI == ABI_AIX && !using_static_chain_p)
save_regno = 11;

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2012-06-05 Alan Modra <amodra@gmail.com>
* gcc.target/powerpc/savres.c: Add -mdynamic-no-pic for darwin.
Check static chain in nested funcs.
2012-06-04 Tobias Burnus <burnus@net-b.de>
PR fortran/50619

206
gcc/testsuite/gcc.target/powerpc/savres.c
View File

@ -1,5 +1,6 @@
/* { dg-do run } */
/* { dg-options "-fno-inline -fomit-frame-pointer" } */
/* { dg-additional-options "-mdynamic-no-pic" { target *-*-darwin* } } */
/* -fno-inline -maltivec -m32/-m64 -mmultiple/no-multiple -Os/-O2. */
#ifndef NO_BODY
@ -73,6 +74,7 @@ __attribute__ ((vector_size (16))) int val31 = {-311,-312,-313,-314};
#else /* NO_BODY */
/* For looking at prologue and epilogue code without distractions. */
#define abort()
#define TRASH_ALL_CR
#define TRASH_ALL_VR
#define TRASH_ALL_FPR
@ -458,7 +460,7 @@ void s_0 (void)
void wb_all (void)
{
char b[10];
void nb_all (void)
char *nb_all (void)
{
char a[33000];
TRASH_ALL_CR;
@ -470,14 +472,16 @@ void wb_all (void)
USE_ALL_FPR;
USE_ALL_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "cr3", "cr4", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "fr14", "fr15", "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23", "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31");
return b;
}
nb_all();
if (nb_all() != b)
abort ();
}
void wb_cvfr (void)
{
char b[10];
void nb_cvfr (void)
char *nb_cvfr (void)
{
char a[33000];
TRASH_SOME_CR;
@ -489,14 +493,16 @@ void wb_cvfr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31", "fr28", "fr31", "r30", "r31");
return b;
}
nb_cvfr ();
if (nb_cvfr () != b)
abort ();
}
void wb_vfr (void)
{
char b[10];
void nb_vfr (void)
char *nb_vfr (void)
{
char a[33000];
TRASH_SOME_VR;
@ -506,14 +512,16 @@ void wb_vfr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31", "fr28", "fr31", "r30", "r31");
return b;
}
nb_vfr ();
if (nb_vfr () != b)
abort ();
}
void wb_cvf (void)
{
char b[10];
void nb_cvf (void)
char *nb_cvf (void)
{
char a[33000];
TRASH_SOME_CR;
@ -523,14 +531,16 @@ void wb_cvf (void)
USE_SOME_VR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31", "fr28", "fr31");
return b;
}
nb_cvf ();
if (nb_cvf () != b)
abort ();
}
void wb_vf (void)
{
char b[10];
void nb_vf (void)
char *nb_vf (void)
{
char a[33000];
TRASH_SOME_VR;
@ -538,15 +548,17 @@ void wb_vf (void)
USE_SOME_VR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31", "fr28", "fr31");
return b;
}
nb_vf ();
if (nb_vf () != b)
abort ();
}
#endif
void wb_cvr (void)
{
char b[10];
void nb_cvr (void)
char *nb_cvr (void)
{
char a[33000];
TRASH_SOME_CR;
@ -556,14 +568,16 @@ void wb_cvr (void)
USE_SOME_VR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31", "r30", "r31");
return b;
}
nb_cvr ();
if (nb_cvr () != b)
abort ();
}
void wb_vr (void)
{
char b[10];
void nb_vr (void)
char *nb_vr (void)
{
char a[33000];
TRASH_SOME_VR;
@ -571,14 +585,16 @@ void wb_vr (void)
USE_SOME_VR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31", "r30", "r31");
return b;
}
nb_vr ();
if (nb_vr () != b)
abort ();
}
void wb_cv (void)
{
char b[10];
void nb_cv (void)
char *nb_cv (void)
{
char a[33000];
TRASH_SOME_CR;
@ -586,21 +602,25 @@ void wb_cv (void)
USE_SOME_CR;
USE_SOME_VR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31");
return b;
}
nb_cv ();
if (nb_cv () != b)
abort ();
}
void wb_v (void)
{
char b[10];
void nb_v (void)
char *nb_v (void)
{
char a[33000];
TRASH_SOME_VR;
USE_SOME_VR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31");
return b;
}
nb_v ();
if (nb_v () != b)
abort ();
}
#endif
@ -608,7 +628,7 @@ void wb_v (void)
void wb_cfr (void)
{
char b[10];
void nb_cfr (void)
char *nb_cfr (void)
{
char a[33000];
TRASH_SOME_CR;
@ -618,14 +638,16 @@ void wb_cfr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "fr28", "fr31", "r30", "r31");
return b;
}
nb_cfr ();
if (nb_cfr () != b)
abort ();
}
void wb_fr (void)
{
char b[10];
void nb_fr (void)
char *nb_fr (void)
{
char a[33000];
TRASH_SOME_FPR;
@ -633,14 +655,16 @@ void wb_fr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "fr28", "fr31", "r30", "r31");
return b;
}
nb_fr ();
if (nb_fr () != b)
abort ();
}
void wb_cf (void)
{
char b[10];
void nb_cf (void)
char *nb_cf (void)
{
char a[33000];
TRASH_SOME_CR;
@ -648,28 +672,32 @@ void wb_cf (void)
USE_SOME_CR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "fr28", "fr31");
return b;
}
nb_cf ();
if (nb_cf () != b)
abort ();
}
void wb_f (void)
{
char b[10];
void nb_f (void)
char *nb_f (void)
{
char a[33000];
TRASH_SOME_FPR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "fr28", "fr31");
return b;
}
nb_f ();
if (nb_f () != b)
abort ();
}
#endif
void wb_cr (void)
{
char b[10];
void nb_cr (void)
char *nb_cr (void)
{
char a[33000];
TRASH_SOME_CR;
@ -677,45 +705,53 @@ void wb_cr (void)
USE_SOME_CR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "r30", "r31");
return b;
}
nb_cr ();
if (nb_cr () != b)
abort ();
}
void wb_r (void)
{
char b[10];
void nb_r (void)
char *nb_r (void)
{
char a[33000];
TRASH_SOME_GPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "r30", "r31");
return b;
}
nb_r ();
if (nb_r () != b)
abort ();
}
void wb_c (void)
{
char b[10];
void nb_c (void)
char *nb_c (void)
{
char a[33000];
TRASH_SOME_CR;
USE_SOME_CR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2");
return b;
}
nb_c ();
if (nb_c () != b)
abort ();
}
void wb_0 (void)
{
char b[10];
void nb_0 (void)
char *nb_0 (void)
{
char a[33000];
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) );
return b;
}
nb_0 ();
if (nb_0 () != b)
abort ();
}
#ifdef __ALTIVEC__
@ -723,7 +759,7 @@ void wb_0 (void)
void ws_all (void)
{
char b[10];
void ns_all (void)
char *ns_all (void)
{
char a[33];
TRASH_ALL_CR;
@ -735,14 +771,16 @@ void ws_all (void)
USE_ALL_FPR;
USE_ALL_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "cr3", "cr4", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "fr14", "fr15", "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23", "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31");
return b;
}
ns_all();
if (ns_all() != b)
abort ();
}
void ws_cvfr (void)
{
char b[10];
void ns_cvfr (void)
char *ns_cvfr (void)
{
char a[33];
TRASH_SOME_CR;
@ -754,14 +792,16 @@ void ws_cvfr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31", "fr28", "fr31", "r30", "r31");
return b;
}
ns_cvfr ();
if (ns_cvfr () != b)
abort ();
}
void ws_vfr (void)
{
char b[10];
void ns_vfr (void)
char *ns_vfr (void)
{
char a[33];
TRASH_SOME_VR;
@ -771,14 +811,16 @@ void ws_vfr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31", "fr28", "fr31", "r30", "r31");
return b;
}
ns_vfr ();
if (ns_vfr () != b)
abort ();
}
void ws_cvf (void)
{
char b[10];
void ns_cvf (void)
char *ns_cvf (void)
{
char a[33];
TRASH_SOME_CR;
@ -788,14 +830,16 @@ void ws_cvf (void)
USE_SOME_VR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31", "fr28", "fr31");
return b;
}
ns_cvf ();
if (ns_cvf () != b)
abort ();
}
void ws_vf (void)
{
char b[10];
void ns_vf (void)
char *ns_vf (void)
{
char a[33];
TRASH_SOME_VR;
@ -803,15 +847,17 @@ void ws_vf (void)
USE_SOME_VR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31", "fr28", "fr31");
return b;
}
ns_vf ();
if (ns_vf () != b)
abort ();
}
#endif
void ws_cvr (void)
{
char b[10];
void ns_cvr (void)
char *ns_cvr (void)
{
char a[33];
TRASH_SOME_CR;
@ -821,14 +867,16 @@ void ws_cvr (void)
USE_SOME_VR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31", "r30", "r31");
return b;
}
ns_cvr ();
if (ns_cvr () != b)
abort ();
}
void ws_vr (void)
{
char b[10];
void ns_vr (void)
char *ns_vr (void)
{
char a[33];
TRASH_SOME_VR;
@ -836,14 +884,16 @@ void ws_vr (void)
USE_SOME_VR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31", "r30", "r31");
return b;
}
ns_vr ();
if (ns_vr () != b)
abort ();
}
void ws_cv (void)
{
char b[10];
void ns_cv (void)
char *ns_cv (void)
{
char a[33];
TRASH_SOME_CR;
@ -851,21 +901,25 @@ void ws_cv (void)
USE_SOME_CR;
USE_SOME_VR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "v26", "v27", "v31");
return b;
}
ns_cv ();
if (ns_cv () != b)
abort ();
}
void ws_v (void)
{
char b[10];
void ns_v (void)
char *ns_v (void)
{
char a[33];
TRASH_SOME_VR;
USE_SOME_VR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "v26", "v27", "v31");
return b;
}
ns_v ();
if (ns_v () != b)
abort ();
}
#endif
@ -873,7 +927,7 @@ void ws_v (void)
void ws_cfr (void)
{
char b[10];
void ns_cfr (void)
char *ns_cfr (void)
{
char a[33];
TRASH_SOME_CR;
@ -883,14 +937,16 @@ void ws_cfr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "fr28", "fr31", "r30", "r31");
return b;
}
ns_cfr ();
if (ns_cfr () != b)
abort ();
}
void ws_fr (void)
{
char b[10];
void ns_fr (void)
char *ns_fr (void)
{
char a[33];
TRASH_SOME_FPR;
@ -898,14 +954,16 @@ void ws_fr (void)
USE_SOME_FPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "fr28", "fr31", "r30", "r31");
return b;
}
ns_fr ();
if (ns_fr () != b)
abort ();
}
void ws_cf (void)
{
char b[10];
void ns_cf (void)
char *ns_cf (void)
{
char a[33];
TRASH_SOME_CR;
@ -913,28 +971,32 @@ void ws_cf (void)
USE_SOME_CR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "fr28", "fr31");
return b;
}
ns_cf ();
if (ns_cf () != b)
abort ();
}
void ws_f (void)
{
char b[10];
void ns_f (void)
char *ns_f (void)
{
char a[33];
TRASH_SOME_FPR;
USE_SOME_FPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "fr28", "fr31");
return b;
}
ns_f ();
if (ns_f () != b)
abort ();
}
#endif
void ws_cr (void)
{
char b[10];
void ns_cr (void)
char *ns_cr (void)
{
char a[33];
TRASH_SOME_CR;
@ -942,45 +1004,53 @@ void ws_cr (void)
USE_SOME_CR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2", "r30", "r31");
return b;
}
ns_cr ();
if (ns_cr () != b)
abort ();
}
void ws_r (void)
{
char b[10];
void ns_r (void)
char *ns_r (void)
{
char a[33];
TRASH_SOME_GPR;
USE_SOME_GPR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "r30", "r31");
return b;
}
ns_r ();
if (ns_r () != b)
abort ();
}
void ws_c (void)
{
char b[10];
void ns_c (void)
char *ns_c (void)
{
char a[33];
TRASH_SOME_CR;
USE_SOME_CR;
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) : : "cr2");
return b;
}
ns_c ();
if (ns_c () != b)
abort ();
}
void ws_0 (void)
{
char b[10];
void ns_0 (void)
char *ns_0 (void)
{
char a[33];
__asm __volatile ("#%0 %1" : "=m" (a), "=m" (b) );
return b;
}
ns_0 ();
if (ns_0 () != b)
abort ();
}
int main (void)