diff options
Diffstat (limited to 'lib/builtins/arm/comparesf2.S')
| -rw-r--r-- | lib/builtins/arm/comparesf2.S | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/lib/builtins/arm/comparesf2.S b/lib/builtins/arm/comparesf2.S index b8ac81ffac09..e8095650e4fb 100644 --- a/lib/builtins/arm/comparesf2.S +++ b/lib/builtins/arm/comparesf2.S @@ -43,8 +43,14 @@ .thumb #endif -.p2align 2 +@ int __eqsf2(float a, float b) + + .p2align 2 DEFINE_COMPILERRT_FUNCTION(__eqsf2) +#if defined(COMPILER_RT_ARMHF_TARGET) + vmov r0, s0 + vmov r1, s1 +#endif // Make copies of a and b with the sign bit shifted off the top. These will // be used to detect zeros and NaNs. #if __ARM_ARCH_ISA_THUMB == 1 @@ -166,16 +172,23 @@ LOCAL_LABEL(CHECK_NAN): JMP(lr) #endif END_COMPILERRT_FUNCTION(__eqsf2) + DEFINE_COMPILERRT_FUNCTION_ALIAS(__lesf2, __eqsf2) DEFINE_COMPILERRT_FUNCTION_ALIAS(__ltsf2, __eqsf2) DEFINE_COMPILERRT_FUNCTION_ALIAS(__nesf2, __eqsf2) -.p2align 2 +@ int __gtsf2(float a, float b) + + .p2align 2 DEFINE_COMPILERRT_FUNCTION(__gtsf2) // Identical to the preceding except in that we return -1 for NaN values. // Given that the two paths share so much code, one might be tempted to // unify them; however, the extra code needed to do so makes the code size // to performance tradeoff very hard to justify for such small functions. +#if defined(COMPILER_RT_ARMHF_TARGET) + vmov r0, s0 + vmov r1, s1 +#endif #if __ARM_ARCH_ISA_THUMB == 1 push {r6, lr} lsls r2, r0, #1 @@ -215,6 +228,8 @@ LOCAL_LABEL(CHECK_NAN_2): 6: pop {r6, pc} #else + mov r2, r0, lsl #1 + mov r3, r1, lsl #1 orrs r12, r2, r3, lsr #1 it ne eorsne r12, r0, r1 @@ -233,10 +248,17 @@ LOCAL_LABEL(CHECK_NAN_2): JMP(lr) #endif END_COMPILERRT_FUNCTION(__gtsf2) + DEFINE_COMPILERRT_FUNCTION_ALIAS(__gesf2, __gtsf2) -.p2align 2 +@ int __unordsf2(float a, float b) + + .p2align 2 DEFINE_COMPILERRT_FUNCTION(__unordsf2) +#if defined(COMPILER_RT_ARMHF_TARGET) + vmov r0, s0 + vmov r1, s1 +#endif // Return 1 for NaN values, 0 otherwise. lsls r2, r0, #1 lsls r3, r1, #1 @@ -260,7 +282,15 @@ DEFINE_COMPILERRT_FUNCTION(__unordsf2) JMP(lr) END_COMPILERRT_FUNCTION(__unordsf2) +#if defined(COMPILER_RT_ARMHF_TARGET) +DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmpum): + vmov s0, r0 + vmov s1, r1 + b SYMBOL_NAME(__unordsf2) +END_COMPILERRT_FUNCTION(__aeabi_fcmpum) +#else DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_fcmpun, __unordsf2) +#endif NO_EXEC_STACK_DIRECTIVE |