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| author | Bernhard Schommer <bernhardschommer@gmail.com> | 2016-08-05 14:05:34 +0200 |
|---|---|---|
| committer | Bernhard Schommer <bernhardschommer@gmail.com> | 2016-08-05 14:05:34 +0200 |
| commit | 028aaefc44b8ed8bafd8b8896fedb53f6e68df3c (patch) | |
| tree | d7f9325da52050a64e5c9ced1017a4f57c674ff3 /runtime/arm/i64_utod.S | |
| parent | 4ac759d0bceef49d16197e3bb8c9767ece693c5e (diff) | |
| download | compcert-kvx-028aaefc44b8ed8bafd8b8896fedb53f6e68df3c.tar.gz compcert-kvx-028aaefc44b8ed8bafd8b8896fedb53f6e68df3c.zip | |
Implement support for big endian arm targets.
Adds support for the big endian arm targets by making the target
endianess flag configurable, adding support for the big endian
calling conventions, rewriting memory access patterns and adding
big endian versions of the runtime functions.
Bug 19418
Diffstat (limited to 'runtime/arm/i64_utod.S')
| -rw-r--r-- | runtime/arm/i64_utod.S | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/runtime/arm/i64_utod.S b/runtime/arm/i64_utod.S index b4c30754..593f8543 100644 --- a/runtime/arm/i64_utod.S +++ b/runtime/arm/i64_utod.S @@ -17,7 +17,7 @@ @ * Neither the name of the <organization> nor the @ names of its contributors may be used to endorse or promote products @ derived from this software without specific prior written permission. -@ +@ @ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS @ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT @ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR @@ -37,17 +37,17 @@ #include "sysdeps.h" @@@ Conversion from unsigned 64-bit integer to double float - + FUNCTION(__i64_utod) -__i64_stod: - vmov s0, r0 - vcvt.f64.u32 d0, s0 @ convert low half to double (unsigned) - vmov s2, r1 - vcvt.f64.u32 d1, s2 @ convert high half to double (unsigned) - vldr d2, .LC1 @ d2 = 2^32 - vmla.f64 d0, d1, d2 @ d0 = d0 + d1 * d2 = double value of int64 -#ifdef ABI_eabi - vmov r0, r1, d0 @ return result in r0, r1 +__i64_utod: + vmov s0, Reg0LO + vcvt.f64.u32 d0, s0 @ convert low half to double (unsigned) + vmov s2, Reg0HI + vcvt.f64.u32 d1, s2 @ convert high half to double (unsigned) + vldr d2, .LC1 @ d2 = 2^32 + vmla.f64 d0, d1, d2 @ d0 = d0 + d1 * d2 = double value of int64 +#ifdef ABI_eabi + vmov Reg0LO, Reg0HI, d0 @ return result in register pair r0:r1 #endif bx lr ENDFUNCTION(__i64_utod) |