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| #ifndef _ASM_IA64_FPU_H |
| #define _ASM_IA64_FPU_H |
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| #include <linux/types.h> |
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| #define FPSR_TRAP_VD (1 << 0) |
| #define FPSR_TRAP_DD (1 << 1) |
| #define FPSR_TRAP_ZD (1 << 2) |
| #define FPSR_TRAP_OD (1 << 3) |
| #define FPSR_TRAP_UD (1 << 4) |
| #define FPSR_TRAP_ID (1 << 5) |
| #define FPSR_S0(x) ((x) << 6) |
| #define FPSR_S1(x) ((x) << 19) |
| #define FPSR_S2(x) (__IA64_UL(x) << 32) |
| #define FPSR_S3(x) (__IA64_UL(x) << 45) |
| |
| |
| #define FPSF_FTZ (1 << 0) |
| #define FPSF_WRE (1 << 1) |
| #define FPSF_PC(x) (((x) & 0x3) << 2) |
| #define FPSF_RC(x) (((x) & 0x3) << 4) |
| #define FPSF_TD (1 << 6) |
| |
| |
| #define FPSF_V (1 << 7) |
| #define FPSF_D (1 << 8) |
| #define FPSF_Z (1 << 9) |
| #define FPSF_O (1 << 10) |
| #define FPSF_U (1 << 11) |
| #define FPSF_I (1 << 12) |
| |
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| #define FPRC_NEAREST 0x0 |
| #define FPRC_NEGINF 0x1 |
| #define FPRC_POSINF 0x2 |
| #define FPRC_TRUNC 0x3 |
| |
| #define FPSF_DEFAULT (FPSF_PC (0x3) | FPSF_RC (FPRC_NEAREST)) |
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| #define FPSR_DEFAULT (FPSR_TRAP_VD | FPSR_TRAP_DD | FPSR_TRAP_ZD \ |
| <------><------><------> | FPSR_TRAP_OD | FPSR_TRAP_UD | FPSR_TRAP_ID \ |
| <------><------><------> | FPSR_S0 (FPSF_DEFAULT) \ |
| <------><------><------> | FPSR_S1 (FPSF_DEFAULT | FPSF_TD | FPSF_WRE) \ |
| <------><------><------> | FPSR_S2 (FPSF_DEFAULT | FPSF_TD) \ |
| <------><------><------> | FPSR_S3 (FPSF_DEFAULT | FPSF_TD)) |
| |
| # ifndef __ASSEMBLY__ |
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| struct ia64_fpreg { |
| <------>union { |
| <------><------>unsigned long bits[2]; |
| <------><------>long double __dummy; |
| <------>} u; |
| }; |
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| # endif |
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| #endif |
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