Implement alloca for RV64

Aleksi Hannula committed 11 months ago

Commit 3c631fd1 parent e7be7b12 files · +19 −5Browse files

Unified · Split

2 files

lib/Makefile +5 −5
lib/alloca.S +14 −0

lib/Makefile+5−5

@@ -35,12 +35,12 @@ endif · 34 unmodified lines
35	35
36	36	XFLAGS += -I$(TOP)
37	37
38		−I386_O = libtcc1.o alloca.o alloca-bt.o $(COMMON_O)
39		−X86_64_O = libtcc1.o alloca.o alloca-bt.o $(COMMON_O)
40		−ARM_O = libtcc1.o armeabi.o alloca.o armflush.o $(COMMON_O)
41		−ARM64_O = lib-arm64.o alloca.o $(COMMON_O)
	38	+I386_O = libtcc1.o alloca-bt.o $(COMMON_O)
	39	+X86_64_O = libtcc1.o alloca-bt.o $(COMMON_O)
	40	+ARM_O = libtcc1.o armeabi.o armflush.o $(COMMON_O)
	41	+ARM64_O = lib-arm64.o $(COMMON_O)
42	42	RISCV64_O = lib-arm64.o $(COMMON_O)
43		−COMMON_O = stdatomic.o atomic.o builtin.o
	43	+COMMON_O = stdatomic.o atomic.o builtin.o alloca.o
44	44	WIN_O = crt1.o crt1w.o wincrt1.o wincrt1w.o dllcrt1.o dllmain.o
45	45	LIN_O = dsohandle.o
46	46	OSX_O =

lib/alloca.S+14−0

@@ -142,4 +142,18 @@ p100: · 141 unmodified lines
142	142	#endif
143	143	.size alloca, .-alloca
144	144	/* ---------------------------------------------- */
	145	+#elif defined __riscv
	146	+
	147	+ .text
	148	+ .align 2
	149	+ .global alloca
	150	+ .type alloca, %function
	151	+alloca:
	152	+ sub sp, sp, a0
	153	+ addi sp, sp, -15
	154	+ andi sp, sp, -16
	155	+ add a0, sp, zero
	156	+ ret
	157	+ .size alloca, .-alloca
	158	+/* ---------------------------------------------- */
145	159	#endif