mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 17:24:17 +08:00
4b417d0c7c
Use config options instead of gcc builtin definition to tell the use of instruction set extensions (CIX and FIX). This is introduced to tell the kbuild system the use of opmized hweight*() routines on alpha architecture. Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
194 lines
6.0 KiB
C
194 lines
6.0 KiB
C
/*
|
|
* arch/alpha/lib/fpreg.c
|
|
*
|
|
* (C) Copyright 1998 Linus Torvalds
|
|
*/
|
|
|
|
#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
|
|
#define STT(reg,val) asm volatile ("ftoit $f"#reg",%0" : "=r"(val));
|
|
#else
|
|
#define STT(reg,val) asm volatile ("stt $f"#reg",%0" : "=m"(val));
|
|
#endif
|
|
|
|
unsigned long
|
|
alpha_read_fp_reg (unsigned long reg)
|
|
{
|
|
unsigned long val;
|
|
|
|
switch (reg) {
|
|
case 0: STT( 0, val); break;
|
|
case 1: STT( 1, val); break;
|
|
case 2: STT( 2, val); break;
|
|
case 3: STT( 3, val); break;
|
|
case 4: STT( 4, val); break;
|
|
case 5: STT( 5, val); break;
|
|
case 6: STT( 6, val); break;
|
|
case 7: STT( 7, val); break;
|
|
case 8: STT( 8, val); break;
|
|
case 9: STT( 9, val); break;
|
|
case 10: STT(10, val); break;
|
|
case 11: STT(11, val); break;
|
|
case 12: STT(12, val); break;
|
|
case 13: STT(13, val); break;
|
|
case 14: STT(14, val); break;
|
|
case 15: STT(15, val); break;
|
|
case 16: STT(16, val); break;
|
|
case 17: STT(17, val); break;
|
|
case 18: STT(18, val); break;
|
|
case 19: STT(19, val); break;
|
|
case 20: STT(20, val); break;
|
|
case 21: STT(21, val); break;
|
|
case 22: STT(22, val); break;
|
|
case 23: STT(23, val); break;
|
|
case 24: STT(24, val); break;
|
|
case 25: STT(25, val); break;
|
|
case 26: STT(26, val); break;
|
|
case 27: STT(27, val); break;
|
|
case 28: STT(28, val); break;
|
|
case 29: STT(29, val); break;
|
|
case 30: STT(30, val); break;
|
|
case 31: STT(31, val); break;
|
|
default: return 0;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
|
|
#define LDT(reg,val) asm volatile ("itoft %0,$f"#reg : : "r"(val));
|
|
#else
|
|
#define LDT(reg,val) asm volatile ("ldt $f"#reg",%0" : : "m"(val));
|
|
#endif
|
|
|
|
void
|
|
alpha_write_fp_reg (unsigned long reg, unsigned long val)
|
|
{
|
|
switch (reg) {
|
|
case 0: LDT( 0, val); break;
|
|
case 1: LDT( 1, val); break;
|
|
case 2: LDT( 2, val); break;
|
|
case 3: LDT( 3, val); break;
|
|
case 4: LDT( 4, val); break;
|
|
case 5: LDT( 5, val); break;
|
|
case 6: LDT( 6, val); break;
|
|
case 7: LDT( 7, val); break;
|
|
case 8: LDT( 8, val); break;
|
|
case 9: LDT( 9, val); break;
|
|
case 10: LDT(10, val); break;
|
|
case 11: LDT(11, val); break;
|
|
case 12: LDT(12, val); break;
|
|
case 13: LDT(13, val); break;
|
|
case 14: LDT(14, val); break;
|
|
case 15: LDT(15, val); break;
|
|
case 16: LDT(16, val); break;
|
|
case 17: LDT(17, val); break;
|
|
case 18: LDT(18, val); break;
|
|
case 19: LDT(19, val); break;
|
|
case 20: LDT(20, val); break;
|
|
case 21: LDT(21, val); break;
|
|
case 22: LDT(22, val); break;
|
|
case 23: LDT(23, val); break;
|
|
case 24: LDT(24, val); break;
|
|
case 25: LDT(25, val); break;
|
|
case 26: LDT(26, val); break;
|
|
case 27: LDT(27, val); break;
|
|
case 28: LDT(28, val); break;
|
|
case 29: LDT(29, val); break;
|
|
case 30: LDT(30, val); break;
|
|
case 31: LDT(31, val); break;
|
|
}
|
|
}
|
|
|
|
#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
|
|
#define STS(reg,val) asm volatile ("ftois $f"#reg",%0" : "=r"(val));
|
|
#else
|
|
#define STS(reg,val) asm volatile ("sts $f"#reg",%0" : "=m"(val));
|
|
#endif
|
|
|
|
unsigned long
|
|
alpha_read_fp_reg_s (unsigned long reg)
|
|
{
|
|
unsigned long val;
|
|
|
|
switch (reg) {
|
|
case 0: STS( 0, val); break;
|
|
case 1: STS( 1, val); break;
|
|
case 2: STS( 2, val); break;
|
|
case 3: STS( 3, val); break;
|
|
case 4: STS( 4, val); break;
|
|
case 5: STS( 5, val); break;
|
|
case 6: STS( 6, val); break;
|
|
case 7: STS( 7, val); break;
|
|
case 8: STS( 8, val); break;
|
|
case 9: STS( 9, val); break;
|
|
case 10: STS(10, val); break;
|
|
case 11: STS(11, val); break;
|
|
case 12: STS(12, val); break;
|
|
case 13: STS(13, val); break;
|
|
case 14: STS(14, val); break;
|
|
case 15: STS(15, val); break;
|
|
case 16: STS(16, val); break;
|
|
case 17: STS(17, val); break;
|
|
case 18: STS(18, val); break;
|
|
case 19: STS(19, val); break;
|
|
case 20: STS(20, val); break;
|
|
case 21: STS(21, val); break;
|
|
case 22: STS(22, val); break;
|
|
case 23: STS(23, val); break;
|
|
case 24: STS(24, val); break;
|
|
case 25: STS(25, val); break;
|
|
case 26: STS(26, val); break;
|
|
case 27: STS(27, val); break;
|
|
case 28: STS(28, val); break;
|
|
case 29: STS(29, val); break;
|
|
case 30: STS(30, val); break;
|
|
case 31: STS(31, val); break;
|
|
default: return 0;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
|
|
#define LDS(reg,val) asm volatile ("itofs %0,$f"#reg : : "r"(val));
|
|
#else
|
|
#define LDS(reg,val) asm volatile ("lds $f"#reg",%0" : : "m"(val));
|
|
#endif
|
|
|
|
void
|
|
alpha_write_fp_reg_s (unsigned long reg, unsigned long val)
|
|
{
|
|
switch (reg) {
|
|
case 0: LDS( 0, val); break;
|
|
case 1: LDS( 1, val); break;
|
|
case 2: LDS( 2, val); break;
|
|
case 3: LDS( 3, val); break;
|
|
case 4: LDS( 4, val); break;
|
|
case 5: LDS( 5, val); break;
|
|
case 6: LDS( 6, val); break;
|
|
case 7: LDS( 7, val); break;
|
|
case 8: LDS( 8, val); break;
|
|
case 9: LDS( 9, val); break;
|
|
case 10: LDS(10, val); break;
|
|
case 11: LDS(11, val); break;
|
|
case 12: LDS(12, val); break;
|
|
case 13: LDS(13, val); break;
|
|
case 14: LDS(14, val); break;
|
|
case 15: LDS(15, val); break;
|
|
case 16: LDS(16, val); break;
|
|
case 17: LDS(17, val); break;
|
|
case 18: LDS(18, val); break;
|
|
case 19: LDS(19, val); break;
|
|
case 20: LDS(20, val); break;
|
|
case 21: LDS(21, val); break;
|
|
case 22: LDS(22, val); break;
|
|
case 23: LDS(23, val); break;
|
|
case 24: LDS(24, val); break;
|
|
case 25: LDS(25, val); break;
|
|
case 26: LDS(26, val); break;
|
|
case 27: LDS(27, val); break;
|
|
case 28: LDS(28, val); break;
|
|
case 29: LDS(29, val); break;
|
|
case 30: LDS(30, val); break;
|
|
case 31: LDS(31, val); break;
|
|
}
|
|
}
|