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| 1 #if __ARM_PCS_VFP | |
| 2 | |
| 3 .syntax unified | |
| 4 .fpu vfp | |
| 5 | |
| 6 .global fegetround | |
| 7 .type fegetround,%function | |
| 8 fegetround: | |
| 9 fmrx r0, fpscr | |
| 10 and r0, r0, #0xc00000 | |
| 11 bx lr | |
| 12 | |
| 13 .global __fesetround | |
| 14 .type __fesetround,%function | |
| 15 __fesetround: | |
| 16 fmrx r3, fpscr | |
| 17 bic r3, r3, #0xc00000 | |
| 18 orr r3, r3, r0 | |
| 19 fmxr fpscr, r3 | |
| 20 mov r0, #0 | |
| 21 bx lr | |
| 22 | |
| 23 .global fetestexcept | |
| 24 .type fetestexcept,%function | |
| 25 fetestexcept: | |
| 26 and r0, r0, #0x1f | |
| 27 fmrx r3, fpscr | |
| 28 and r0, r0, r3 | |
| 29 bx lr | |
| 30 | |
| 31 .global feclearexcept | |
| 32 .type feclearexcept,%function | |
| 33 feclearexcept: | |
| 34 and r0, r0, #0x1f | |
| 35 fmrx r3, fpscr | |
| 36 bic r3, r3, r0 | |
| 37 fmxr fpscr, r3 | |
| 38 mov r0, #0 | |
| 39 bx lr | |
| 40 | |
| 41 .global feraiseexcept | |
| 42 .type feraiseexcept,%function | |
| 43 feraiseexcept: | |
| 44 and r0, r0, #0x1f | |
| 45 fmrx r3, fpscr | |
| 46 orr r3, r3, r0 | |
| 47 fmxr fpscr, r3 | |
| 48 mov r0, #0 | |
| 49 bx lr | |
| 50 | |
| 51 .global fegetenv | |
| 52 .type fegetenv,%function | |
| 53 fegetenv: | |
| 54 fmrx r3, fpscr | |
| 55 str r3, [r0] | |
| 56 mov r0, #0 | |
| 57 bx lr | |
| 58 | |
| 59 .global fesetenv | |
| 60 .type fesetenv,%function | |
| 61 fesetenv: | |
| 62 cmn r0, #1 | |
| 63 moveq r3, #0 | |
| 64 ldrne r3, [r0] | |
| 65 fmxr fpscr, r3 | |
| 66 mov r0, #0 | |
| 67 bx lr | |
| 68 | |
| 69 #endif | |
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