Implement alloca for RV64

Aleksi Hannula committed 11 months ago

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

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

lib/Makefile+5−5

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

lib/alloca.S+14−0

@@ -142,4 +142,18 @@ p100: · 141 unmodified lines
142	#endif	142	#endif
143	.size alloca, .-alloca	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	#endif	159	#endif