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i386.h (FIRST_PSEUDO_REGISTER): Define to 54.

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* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
        (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
        (FRAME_POINTER_REGNUM): Update register number to 21.
        (REG_CLASS_CONTENTS): Update contents for added fpcr register.
        (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.

        * config/i386/i386.c (regclass_map): Add fpcr entry.
        (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
        Add fpcr entry.
        (print_reg): Assert REGNO (x) != FPCR_REG.

        * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
        (DIRFLAG_REG): Renumber.
        (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
        (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
        (sse_prologue_save, *sse_prologue_save_insn): Renumber
        hardcoded SSE register numbers.

        * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
        hardcoded MMX register numbers.

From-SVN: r118014
This commit is contained in:
Uros Bizjak 2006-10-25 00:55:36 +02:00 • committed by Uros Bizjak
parent e4ef58afd4
commit 03c259ad42
5 changed files with 73 additions and 46 deletions
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24
gcc/ChangeLog
View file

@ -1,3 +1,27 @@
2006-10-24 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
(FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
(REG_ALLOC_ORDER): Add one element to allocate fpcr register.
(FRAME_POINTER_REGNUM): Update register number to 21.
(REG_CLASS_CONTENTS): Update contents for added fpcr register.
(HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
* config/i386/i386.c (regclass_map): Add fpcr entry.
(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
Add fpcr entry.
(print_reg): Assert REGNO (x) != FPCR_REG.
* config/i386/i386.md (FPCR_REG, R11_REG): New constants.
(DIRFLAG_REG): Renumber.
(x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
(*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
(sse_prologue_save, *sse_prologue_save_insn): Renumber
hardcoded SSE register numbers.
* config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
hardcoded MMX register numbers.
2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335

13
gcc/config/i386/i386.c
View file

@ -855,8 +855,8 @@ enum reg_class const regclass_map[FIRST_PSEUDO_REGISTER] =
FLOAT_REGS, FLOAT_REGS, FLOAT_REGS, FLOAT_REGS,
/* arg pointer */
NON_Q_REGS,
/* flags, fpsr, dirflag, frame */
NO_REGS, NO_REGS, NO_REGS, NON_Q_REGS,
/* flags, fpsr, fpcr, dirflag, frame */
NO_REGS, NO_REGS, NO_REGS, NO_REGS, NON_Q_REGS,
SSE_REGS, SSE_REGS, SSE_REGS, SSE_REGS, SSE_REGS, SSE_REGS,
SSE_REGS, SSE_REGS,
MMX_REGS, MMX_REGS, MMX_REGS, MMX_REGS, MMX_REGS, MMX_REGS,
@ -873,7 +873,7 @@ int const dbx_register_map[FIRST_PSEUDO_REGISTER] =
{
0, 2, 1, 3, 6, 7, 4, 5, /* general regs */
12, 13, 14, 15, 16, 17, 18, 19, /* fp regs */
-1, -1, -1, -1, -1, /* arg, flags, fpsr, dir, frame */
-1, -1, -1, -1, -1, -1, /* arg, flags, fpsr, fpcr, dir, frame */
21, 22, 23, 24, 25, 26, 27, 28, /* SSE */
29, 30, 31, 32, 33, 34, 35, 36, /* MMX */
-1, -1, -1, -1, -1, -1, -1, -1, /* extended integer registers */
@ -896,7 +896,7 @@ int const dbx64_register_map[FIRST_PSEUDO_REGISTER] =
{
0, 1, 2, 3, 4, 5, 6, 7, /* general regs */
33, 34, 35, 36, 37, 38, 39, 40, /* fp regs */
-1, -1, -1, -1, -1, /* arg, flags, fpsr, dir, frame */
-1, -1, -1, -1, -1, -1, /* arg, flags, fpsr, fpcr, dir, frame */
17, 18, 19, 20, 21, 22, 23, 24, /* SSE */
41, 42, 43, 44, 45, 46, 47, 48, /* MMX */
8,9,10,11,12,13,14,15, /* extended integer registers */
@ -961,7 +961,7 @@ int const svr4_dbx_register_map[FIRST_PSEUDO_REGISTER] =
{
0, 2, 1, 3, 6, 7, 5, 4, /* general regs */
11, 12, 13, 14, 15, 16, 17, 18, /* fp regs */
-1, 9, -1, -1, -1, /* arg, flags, fpsr, dir, frame */
-1, 9, -1, -1, -1, -1, /* arg, flags, fpsr, fpcr, dir, frame */
21, 22, 23, 24, 25, 26, 27, 28, /* SSE registers */
29, 30, 31, 32, 33, 34, 35, 36, /* MMX registers */
-1, -1, -1, -1, -1, -1, -1, -1, /* extended integer registers */
@ -7443,7 +7443,8 @@ print_reg (rtx x, int code, FILE *file)
gcc_assert (REGNO (x) != ARG_POINTER_REGNUM
&& REGNO (x) != FRAME_POINTER_REGNUM
&& REGNO (x) != FLAGS_REG
&& REGNO (x) != FPSR_REG);
&& REGNO (x) != FPSR_REG
&& REGNO (x) != FPCR_REG);
if (ASSEMBLER_DIALECT == ASM_ATT || USER_LABEL_PREFIX[0] == 0)
putc ('%', file);

50
gcc/config/i386/i386.h
View file

@ -711,7 +711,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
eliminated during reloading in favor of either the stack or frame
pointer. */
#define FIRST_PSEUDO_REGISTER 53
#define FIRST_PSEUDO_REGISTER 54
/* Number of hardware registers that go into the DWARF-2 unwind info.
If not defined, equals FIRST_PSEUDO_REGISTER. */
@ -731,8 +731,8 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define FIXED_REGISTERS \
/*ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7*/ \
{ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, \
/*arg,flags,fpsr,dir,frame*/ \
1, 1, 1, 1, 1, \
/*arg,flags,fpsr,fpcr,dir,frame*/ \
1, 1, 1, 1, 1, 1, \
/*xmm0,xmm1,xmm2,xmm3,xmm4,xmm5,xmm6,xmm7*/ \
0, 0, 0, 0, 0, 0, 0, 0, \
/*mmx0,mmx1,mmx2,mmx3,mmx4,mmx5,mmx6,mmx7*/ \
@ -759,10 +759,10 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define CALL_USED_REGISTERS \
/*ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7*/ \
{ 1, 1, 1, 0, 3, 3, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/*arg,flags,fpsr,dir,frame*/ \
1, 1, 1, 1, 1, \
/*arg,flags,fpsr,fpcr,dir,frame*/ \
1, 1, 1, 1, 1, 1, \
/*xmm0,xmm1,xmm2,xmm3,xmm4,xmm5,xmm6,xmm7*/ \
1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, \
/*mmx0,mmx1,mmx2,mmx3,mmx4,mmx5,mmx6,mmx7*/ \
1, 1, 1, 1, 1, 1, 1, 1, \
/* r8, r9, r10, r11, r12, r13, r14, r15*/ \
@ -783,11 +783,11 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, \
33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, \
48, 49, 50, 51, 52 }
48, 49, 50, 51, 52, 53 }
/* ORDER_REGS_FOR_LOCAL_ALLOC is a macro which permits reg_alloc_order
to be rearranged based on a particular function. When using sse math,
we want to allocate SSE before x87 registers and vice vera. */
we want to allocate SSE before x87 registers and vice versa. */
#define ORDER_REGS_FOR_LOCAL_ALLOC x86_order_regs_for_local_alloc ()
@ -940,7 +940,7 @@ do { \
#define HARD_FRAME_POINTER_REGNUM 6
/* Base register for access to local variables of the function. */
#define FRAME_POINTER_REGNUM 20
#define FRAME_POINTER_REGNUM 21
/* First floating point reg */
#define FIRST_FLOAT_REG 8
@ -1053,7 +1053,7 @@ do { \
opcode needs reg %ebx. But some systems pass args to the OS in ebx,
and the "b" register constraint is useful in asms for syscalls.
The flags and fpsr registers are in no class. */
The flags, fpsr and fpcr registers are in no class. */
enum reg_class
{
@ -1134,21 +1134,21 @@ enum reg_class
{ 0x10, 0x0 }, { 0x20, 0x0 }, /* SIREG, DIREG */ \
{ 0x03, 0x0 }, /* AD_REGS */ \
{ 0x0f, 0x0 }, /* Q_REGS */ \
{ 0x1100f0, 0x1fe0 }, /* NON_Q_REGS */ \
{ 0x7f, 0x1fe0 }, /* INDEX_REGS */ \
{ 0x1100ff, 0x0 }, /* LEGACY_REGS */ \
{ 0x1100ff, 0x1fe0 }, /* GENERAL_REGS */ \
{ 0x2100f0, 0x3fc0 }, /* NON_Q_REGS */ \
{ 0x7f, 0x3fc0 }, /* INDEX_REGS */ \
{ 0x2100ff, 0x0 }, /* LEGACY_REGS */ \
{ 0x2100ff, 0x3fc0 }, /* GENERAL_REGS */ \
{ 0x100, 0x0 }, { 0x0200, 0x0 },/* FP_TOP_REG, FP_SECOND_REG */\
{ 0xff00, 0x0 }, /* FLOAT_REGS */ \
{ 0x1fe00000,0x1fe000 }, /* SSE_REGS */ \
{ 0xe0000000, 0x1f }, /* MMX_REGS */ \
{ 0x1fe00100,0x1fe000 }, /* FP_TOP_SSE_REG */ \
{ 0x1fe00200,0x1fe000 }, /* FP_SECOND_SSE_REG */ \
{ 0x1fe0ff00,0x1fe000 }, /* FLOAT_SSE_REGS */ \
{ 0x1ffff, 0x1fe0 }, /* FLOAT_INT_REGS */ \
{ 0x1fe100ff,0x1fffe0 }, /* INT_SSE_REGS */ \
{ 0x1fe1ffff,0x1fffe0 }, /* FLOAT_INT_SSE_REGS */ \
{ 0xffffffff,0x1fffff } \
{ 0x3fc00000,0x3fc000 }, /* SSE_REGS */ \
{ 0xc0000000, 0x3f }, /* MMX_REGS */ \
{ 0x3fc00100,0x3fc000 }, /* FP_TOP_SSE_REG */ \
{ 0x3fc00200,0x3fc000 }, /* FP_SECOND_SSE_REG */ \
{ 0x3fc0ff00,0x3fc000 }, /* FLOAT_SSE_REGS */ \
{ 0x1ffff, 0x3fc0 }, /* FLOAT_INT_REGS */ \
{ 0x3fc100ff,0x3fffc0 }, /* INT_SSE_REGS */ \
{ 0x3fc1ffff,0x3fffc0 }, /* FLOAT_INT_SSE_REGS */ \
{ 0xffffffff,0x3fffff } \
}
/* The same information, inverted:
@ -1908,9 +1908,9 @@ do { \
#define HI_REGISTER_NAMES \
{"ax","dx","cx","bx","si","di","bp","sp", \
"st","st(1)","st(2)","st(3)","st(4)","st(5)","st(6)","st(7)", \
"argp", "flags", "fpsr", "dirflag", "frame", \
"argp", "flags", "fpsr", "fpcr", "dirflag", "frame", \
"xmm0","xmm1","xmm2","xmm3","xmm4","xmm5","xmm6","xmm7", \
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7" , \
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7", \
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
"xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"}

24
gcc/config/i386/i386.md
View file

@ -178,7 +178,9 @@
(SP_REG 7)
(FLAGS_REG 17)
(FPSR_REG 18)
(DIRFLAG_REG 19)
(FPCR_REG 19)
(DIRFLAG_REG 20)
(R11_REG 41)
])
;; Insns whose names begin with "x86_" are emitted by gen_FOO calls
@ -4429,7 +4431,7 @@
(define_insn "x86_fnstcw_1"
[(set (match_operand:HI 0 "memory_operand" "=m")
(unspec:HI [(reg:HI FPSR_REG)] UNSPEC_FSTCW))]
(unspec:HI [(reg:HI FPCR_REG)] UNSPEC_FSTCW))]
"TARGET_80387"
"fnstcw\t%0"
[(set_attr "length" "2")
@ -4437,7 +4439,7 @@
(set_attr "unit" "i387")])
(define_insn "x86_fldcw_1"
[(set (reg:HI FPSR_REG)
[(set (reg:HI FPCR_REG)
(unspec:HI [(match_operand:HI 0 "memory_operand" "m")] UNSPEC_FLDCW))]
"TARGET_80387"
"fldcw\t%0"
@ -14162,7 +14164,7 @@
[(set_attr "type" "call")])
(define_insn "*sibcall_1_rex64_v"
[(call (mem:QI (reg:DI 40))
[(call (mem:QI (reg:DI R11_REG))
(match_operand 0 "" ""))]
"SIBLING_CALL_P (insn) && TARGET_64BIT"
"jmp\t*%%r11"
@ -20652,7 +20654,7 @@
(define_insn "*sibcall_value_1_rex64_v"
[(set (match_operand 0 "" "")
(call (mem:QI (reg:DI 40))
(call (mem:QI (reg:DI R11_REG))
(match_operand:DI 1 "" "")))]
"SIBLING_CALL_P (insn) && TARGET_64BIT"
"jmp\t*%%r11"
@ -20671,14 +20673,14 @@
(define_expand "sse_prologue_save"
[(parallel [(set (match_operand:BLK 0 "" "")
(unspec:BLK [(reg:DI 21)
(reg:DI 22)
(unspec:BLK [(reg:DI 22)
(reg:DI 23)
(reg:DI 24)
(reg:DI 25)
(reg:DI 26)
(reg:DI 27)
(reg:DI 28)] UNSPEC_SSE_PROLOGUE_SAVE))
(reg:DI 28)
(reg:DI 29)] UNSPEC_SSE_PROLOGUE_SAVE))
(use (match_operand:DI 1 "register_operand" ""))
(use (match_operand:DI 2 "immediate_operand" ""))
(use (label_ref:DI (match_operand 3 "" "")))])]
@ -20688,14 +20690,14 @@
(define_insn "*sse_prologue_save_insn"
[(set (mem:BLK (plus:DI (match_operand:DI 0 "register_operand" "R")
(match_operand:DI 4 "const_int_operand" "n")))
(unspec:BLK [(reg:DI 21)
(reg:DI 22)
(unspec:BLK [(reg:DI 22)
(reg:DI 23)
(reg:DI 24)
(reg:DI 25)
(reg:DI 26)
(reg:DI 27)
(reg:DI 28)] UNSPEC_SSE_PROLOGUE_SAVE))
(reg:DI 28)
(reg:DI 29)] UNSPEC_SSE_PROLOGUE_SAVE))
(use (match_operand:DI 1 "register_operand" "r"))
(use (match_operand:DI 2 "const_int_operand" "i"))
(use (label_ref:DI (match_operand 3 "" "X")))]

8
gcc/config/i386/mmx.md
View file

@ -1396,14 +1396,14 @@
(clobber (reg:XF 13))
(clobber (reg:XF 14))
(clobber (reg:XF 15))
(clobber (reg:DI 29))
(clobber (reg:DI 30))
(clobber (reg:DI 31))
(clobber (reg:DI 32))
(clobber (reg:DI 33))
(clobber (reg:DI 34))
(clobber (reg:DI 35))
(clobber (reg:DI 36))]
(clobber (reg:DI 36))
(clobber (reg:DI 37))]
"TARGET_MMX"
"emms"
[(set_attr "type" "mmx")
@ -1419,14 +1419,14 @@
(clobber (reg:XF 13))
(clobber (reg:XF 14))
(clobber (reg:XF 15))
(clobber (reg:DI 29))
(clobber (reg:DI 30))
(clobber (reg:DI 31))
(clobber (reg:DI 32))
(clobber (reg:DI 33))
(clobber (reg:DI 34))
(clobber (reg:DI 35))
(clobber (reg:DI 36))]
(clobber (reg:DI 36))
(clobber (reg:DI 37))]
"TARGET_3DNOW"
"femms"
[(set_attr "type" "mmx")