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Handle the missing DCP state in pico_float_pico_dcp

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Fixes #2793

Signed-off-by: Andy Lin <andylinpersonal@gmail.com>
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Andy Lin 2026-01-13 02:17:18 +08:00
parent 9c6713a8ed
commit f320b40a7c
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GPG key ID: 20331C48FFFEB7EB
1 changed files with 6 additions and 7 deletions
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13
src/rp2_common/pico_float/float_aeabi_dcp.S
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@ -156,7 +156,7 @@ saving_func wrapper __aeabi_ui2f uint2float
saving_func_return
float_section float2fix_z
regular_func float2fix_z
saving_func regular float2fix_z
ubfx r2, r0, #23, #8
cbz r2, 2f // input is zero or denormal
cmp r2, #0xff
@ -170,11 +170,11 @@ regular_func float2fix_z
b float2int_z_entry
2:
movs r0, #0
bx lr
saving_func_return
3:
mvn r1, #0x80000000
add r0, r1, r0, lsr#31 @ so -Inf → 0x80000000, +Inf → 0x7fffffff
bx lr
saving_func_return
float_wrapper_section __aeabi_f2iz
saving_func wrapper __aeabi_f2iz float2int_z
@ -184,8 +184,7 @@ float2int_z_entry:
saving_func_return
float_section __aeabi_f2ufix
regular_func float2ufix
regular_func float2ufix_z
saving_func regular float2ufix float2ufix_z
ubfx r2, r0, #23, #8
cbz r2, 2f // input is zero or denormal
cmp r2, #0xff
@ -199,10 +198,10 @@ regular_func float2ufix_z
b float2uint_z_entry
2:
movs r0, #0
bx lr
saving_func_return
3:
mvn r0, r0, asr #31
bx lr
saving_func_return
float_wrapper_section __aeabi_f2uiz
saving_func wrapper __aeabi_f2uiz float2uint_z float2uint