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Fix -fpic problems 

From-SVN: r12547
This commit is contained in:
Michael Meissner 1996-07-23 16:44:34 +00:00
parent b6d1177adf
commit 84f414bc1f
4 changed files with 47 additions and 53 deletions
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2
gcc/config/rs6000/rs6000.c
View File

@ -2118,7 +2118,7 @@ rs6000_replace_regno (x, from, reg)
if (REGNO (x) == from)
{
if (! *reg)
*reg = gen_reg_rtx (Pmode);
*reg = pic_offset_table_rtx = gen_reg_rtx (Pmode);
return *reg;
}

40
gcc/config/rs6000/rs6000.md
View File

@ -5037,14 +5037,9 @@
"
{
operands[2] = rs6000_got_register (operands[1]);
if (flag_pic > 1)
{
emit_insn (gen_movsi_got_large (operands[0], operands[1], operands[2]));
DONE;
}
}")
(define_insn "*movsi_got_internal1"
(define_insn "*movsi_got_internal"
[(set (match_operand:SI 0 "register_operand" "=r")
(unspec [(match_operand:SI 1 "got_operand" "")
(match_operand:SI 2 "register_operand" "b")] 8))]
@ -5052,37 +5047,6 @@
"{l|lwz} %0,%a1@got(%2)"
[(set_attr "type" "load")])
(define_expand "movsi_got_large"
[(set (match_dup 3)
(unspec [(match_operand:SI 1 "got_operand" "")] 9))
(set (match_dup 3)
(unspec [(match_dup 1)
(match_dup 3)] 10))
(set (match_operand:SI 0 "register_operand" "")
(mem:SI (plus:SI (match_dup 3)
(match_operand:SI 2 "register_operand" ""))))]
"(DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) && flag_pic > 1"
"
{
if (reload_completed || reload_in_progress)
abort ();
operands[3] = gen_reg_rtx (SImode);
}")
(define_insn "*movsi_got_internal2_high"
[(set (match_operand:SI 0 "register_operand" "=b")
(unspec [(match_operand:SI 1 "got_operand" "")] 9))]
"(DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) && flag_pic > 1"
"{cau|addis} %0,0,%1@got@ha")
(define_insn "*movsi_got_internal2_losum"
[(set (match_operand:SI 0 "register_operand" "=r")
(unspec [(match_operand:SI 1 "got_operand" "")
(match_operand:SI 2 "register_operand" "b")] 10))]
"(DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) && flag_pic > 1"
"{cal %0,%a1@got@l(%2)|addi %0,%2,%a1@got@l}")
;; For SI, we special-case integers that can't be loaded in one insn. We
;; do the load 16-bits at a time. We could do this by loading from memory,
;; and this is even supposed to be faster, but it is simpler not to get
@ -5111,7 +5075,7 @@
}
if ((DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS)
&& flag_pic && got_operand (operands[1], SImode))
&& flag_pic == 1 && got_operand (operands[1], SImode))
{
emit_insn (gen_movsi_got (operands[0], operands[1]));
DONE;

39
gcc/config/rs6000/sysv4.h
View File

@ -185,25 +185,46 @@ do { \
else \
error ("Bad value for -msdata=%s", rs6000_sdata_name); \
} \
else if (TARGET_SDATA && TARGET_EABI) \
{ \
rs6000_sdata = SDATA_EABI; \
rs6000_sdata_name = "eabi"; \
} \
else if (TARGET_SDATA) \
rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
{ \
rs6000_sdata = SDATA_SYSV; \
rs6000_sdata_name = "sysv"; \
} \
else if (DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) \
{ \
rs6000_sdata = SDATA_DATA; \
rs6000_sdata_name = "data"; \
target_flags |= MASK_SDATA; \
} \
else \
rs6000_sdata = SDATA_NONE; \
{ \
rs6000_sdata = SDATA_NONE; \
rs6000_sdata_name = "none"; \
} \
\
if (TARGET_RELOCATABLE && \
(rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
{ \
rs6000_sdata = SDATA_DATA; \
error ("-mrelocatable and -msdata are incompatible."); \
error ("-mrelocatable and -msdata=%s are incompatible.", \
rs6000_sdata_name); \
} \
\
if (TARGET_SDATA && DEFAULT_ABI != ABI_V4 \
&& DEFAULT_ABI != ABI_SOLARIS) \
else if (flag_pic && \
(rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
{ \
rs6000_sdata = SDATA_DATA; \
error ("-f%s and -msdata=%s are incompatible.", \
(flag_pic > 1) ? "PIC" : "pic", \
rs6000_sdata_name); \
} \
\
if (TARGET_SDATA && DEFAULT_ABI != ABI_V4 && DEFAULT_ABI != ABI_SOLARIS) \
{ \
target_flags &= ~MASK_SDATA; \
error ("-msdata and -mcall-%s are incompatible.", rs6000_abi_name); \
@ -234,6 +255,14 @@ do { \
target_flags |= MASK_LITTLE_ENDIAN; \
error ("-mcall-nt must be little endian"); \
} \
\
/* Treat -fPIC the same as -mrelocatable */ \
if (flag_pic > 1) \
target_flags |= MASK_RELOCATABLE; \
\
else if (TARGET_RELOCATABLE) \
flag_pic = 2; \
\
} while (0)
/* Default ABI to compile code for */

19
gcc/config/rs6000/t-ppcgas
View File

@ -24,16 +24,17 @@ eabi-ctors.c: $(srcdir)/config/rs6000/eabi-ctors.c
# Build libgcc.a with different options.
MULTILIB_OPTIONS = msoft-float \
mrelocatable \
mrelocatable-lib \
mlittle/mbig \
mcall-sysv-noeabi/mcall-sysv-eabi/mcall-aix/mcall-solaris
mcall-sysv-noeabi/mcall-sysv-eabi/mcall-aix
MULTILIB_DIRNAMES = nof \
rel \
le be \
cs ce ca sol
cs ce ca
MULTILIB_MATCHES = mlittle=mlittle-endian \
mlittle=mcall-solaris \
mbig=mbig-endian \
mbig=mcall-linux \
msoft-float=mcpu?403 \
@ -41,12 +42,12 @@ MULTILIB_MATCHES = mlittle=mlittle-endian \
msoft-float=mcpu?860 \
mcall-sysv-noeabi=mcall-linux \
mcall-sysv-eabi=meabi \
mcall-sysv-noeabi=mno-eabi
MULTILIB_EXCEPTIONS = *mrelocatable*/*mcall-sysv-noeabi* \
*mrelocatable*/*mcall-solaris* \
*mbig*/*mcall-solaris* \
*mlittle*/*mcall-solaris*
mcall-sysv-noeabi=mno-eabi \
mcall-sysv-noeabi=mcall-solaris \
mrelocatable-lib=mrelocatable \
mrelocatable-lib=fpic \
mrelocatable-lib=fPIC \
mrelocatable-lib=shared
LIBGCC = stmp-multilib stmp-crt
INSTALL_LIBGCC = install-multilib install-crt