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authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /device/lib/stm8/_fs2schar.asm
downloadsdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'device/lib/stm8/_fs2schar.asm')
-rw-r--r--device/lib/stm8/_fs2schar.asm98
1 files changed, 98 insertions, 0 deletions
diff --git a/device/lib/stm8/_fs2schar.asm b/device/lib/stm8/_fs2schar.asm
new file mode 100644
index 0000000..40e0fa9
--- /dev/null
+++ b/device/lib/stm8/_fs2schar.asm
@@ -0,0 +1,98 @@
+;--------------------------------------------------------
+; File Created by SDCC : free open source ANSI-C Compiler
+; Version 3.9.3 #11345 (Linux)
+;--------------------------------------------------------
+ .module _fs2schar
+ .optsdcc -mstm8
+
+;--------------------------------------------------------
+; Public variables in this module
+;--------------------------------------------------------
+ .globl ___fs2slong
+ .globl ___fs2schar
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area DATA
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area INITIALIZED
+;--------------------------------------------------------
+; absolute external ram data
+;--------------------------------------------------------
+ .area DABS (ABS)
+
+; default segment ordering for linker
+ .area HOME
+ .area GSINIT
+ .area GSFINAL
+ .area CONST
+ .area INITIALIZER
+ .area CODE
+
+;--------------------------------------------------------
+; global & static initialisations
+;--------------------------------------------------------
+ .area HOME
+ .area GSINIT
+ .area GSFINAL
+ .area GSINIT
+;--------------------------------------------------------
+; Home
+;--------------------------------------------------------
+ .area HOME
+ .area HOME
+;--------------------------------------------------------
+; code
+;--------------------------------------------------------
+ .area CODE
+; ../_fs2schar.c: 87: signed char __fs2schar (float f)
+; -----------------------------------------
+; function __fs2schar
+; -----------------------------------------
+___fs2schar:
+ sub sp, #4
+; ../_fs2schar.c: 89: signed long sl=__fs2slong(f);
+ ldw x, (0x09, sp)
+ pushw x
+ ldw x, (0x09, sp)
+ pushw x
+ call ___fs2slong
+ addw sp, #4
+ ldw (0x03, sp), x
+ ldw (0x01, sp), y
+; ../_fs2schar.c: 90: if (sl>=SCHAR_MAX)
+ ldw x, (0x03, sp)
+ cpw x, #0x007f
+ ld a, (0x02, sp)
+ sbc a, #0x00
+ ld a, (0x01, sp)
+ sbc a, #0x00
+ jrslt 00102$
+; ../_fs2schar.c: 91: return SCHAR_MAX;
+ ld a, #0x7f
+ jra 00105$
+00102$:
+; ../_fs2schar.c: 92: if (sl<=SCHAR_MIN)
+ ldw x, #0xff80
+ cpw x, (0x03, sp)
+ ld a, #0xff
+ sbc a, (0x02, sp)
+ ld a, #0xff
+ sbc a, (0x01, sp)
+ jrslt 00104$
+; ../_fs2schar.c: 93: return -SCHAR_MIN;
+ ld a, #0x80
+ jra 00105$
+00104$:
+; ../_fs2schar.c: 94: return sl;
+ ld a, (0x04, sp)
+00105$:
+; ../_fs2schar.c: 95: }
+ addw sp, #4
+ ret
+ .area CODE
+ .area CONST
+ .area INITIALIZER
+ .area CABS (ABS)