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riscv-gcc-1
Commit ac1ca451 by Stephen Clarke Committed by Joern Rennecke
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lib1funcs.asm (GCC_shcompact_incoming_args): Don't overwrite callee-save registers. 

	* config/sh/lib1funcs.asm (GCC_shcompact_incoming_args): Don't
	overwrite callee-save registers.  Fix comment.

From-SVN: r56101
parent a98b7b28
Showing with 73 additions and 67 deletions
gcc/ChangeLog
2002-08-07 Stephen Clarke <stephen.clarke@superh.com>
* config/sh/lib1funcs.asm (GCC_shcompact_incoming_args): Don't
overwrite callee-save registers. Fix comment.
2002-08-06 Chris Demetriou <cgd@broadcom.com> 2002-08-06 Chris Demetriou <cgd@broadcom.com>
* config/mips/mips.c (override_options): Set MASK_BRANCHLIKELY * config/mips/mips.c (override_options): Set MASK_BRANCHLIKELY
......
gcc/config/sh/lib1funcs.asm
...@@ -2357,9 +2357,10 @@ LOCAL(ia_main_table): ...@@ -2357,9 +2357,10 @@ LOCAL(ia_main_table):
.align 2 .align 2
/* This function stores 64-bit general-purpose registers back in /* This function stores 64-bit general-purpose registers back in
the stack, starting at @(r1), where the cookie is supposed to the stack, and loads the address in which each register
have been stored, and loads the address in which each register was stored into itself. The lower 32 bits of r17 hold the address
was stored into itself. Its execution time is linear on the to begin storing, and the upper 32 bits of r17 hold the cookie.
Its execution time is linear on the
number of registers that actually have to be copied, and it is number of registers that actually have to be copied, and it is
optimized for structures larger than 64 bits, as opposed to optimized for structures larger than 64 bits, as opposed to
invidivual `long long' arguments. See sh.h for details on the invidivual `long long' arguments. See sh.h for details on the
...@@ -2369,136 +2370,136 @@ LOCAL(ia_main_table): ...@@ -2369,136 +2370,136 @@ LOCAL(ia_main_table):
GLOBAL(GCC_shcompact_incoming_args): GLOBAL(GCC_shcompact_incoming_args):
ptabs/l r18, tr0 /* Prepare to return. */ ptabs/l r18, tr0 /* Prepare to return. */
shlri r17, 32, r0 /* Load the cookie. */ shlri r17, 32, r0 /* Load the cookie. */
movi ((datalabel LOCAL(ia_main_table) - 31 * 2) >> 16) & 65535, r35 movi ((datalabel LOCAL(ia_main_table) - 31 * 2) >> 16) & 65535, r43
pt/l LOCAL(ia_loop), tr1 pt/l LOCAL(ia_loop), tr1
add.l r17, r63, r17 add.l r17, r63, r17
shori ((datalabel LOCAL(ia_main_table) - 31 * 2)) & 65535, r35 shori ((datalabel LOCAL(ia_main_table) - 31 * 2)) & 65535, r43
LOCAL(ia_loop): LOCAL(ia_loop):
nsb r0, r28 nsb r0, r36
shlli r28, 1, r29 shlli r36, 1, r37
ldx.w r35, r29, r30 ldx.w r43, r37, r38
LOCAL(ia_main_label): LOCAL(ia_main_label):
ptrel/l r30, tr2 ptrel/l r38, tr2
blink tr2, r63 blink tr2, r63
LOCAL(ia_r2_ld): /* Store r2 and load its address. */ LOCAL(ia_r2_ld): /* Store r2 and load its address. */
movi 3, r30 movi 3, r38
shlli r30, 29, r31 shlli r38, 29, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r2 stx.q r17, r63, r2
add.l r17, r63, r2 add.l r17, r63, r2
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r3_ld): /* Store r3 and load its address. */ LOCAL(ia_r3_ld): /* Store r3 and load its address. */
movi 3, r30 movi 3, r38
shlli r30, 26, r31 shlli r38, 26, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r3 stx.q r17, r63, r3
add.l r17, r63, r3 add.l r17, r63, r3
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r4_ld): /* Store r4 and load its address. */ LOCAL(ia_r4_ld): /* Store r4 and load its address. */
movi 3, r30 movi 3, r38
shlli r30, 23, r31 shlli r38, 23, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r4 stx.q r17, r63, r4
add.l r17, r63, r4 add.l r17, r63, r4
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r5_ld): /* Store r5 and load its address. */ LOCAL(ia_r5_ld): /* Store r5 and load its address. */
movi 3, r30 movi 3, r38
shlli r30, 20, r31 shlli r38, 20, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r5 stx.q r17, r63, r5
add.l r17, r63, r5 add.l r17, r63, r5
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r6_ld): /* Store r6 and load its address. */ LOCAL(ia_r6_ld): /* Store r6 and load its address. */
movi 3, r30 movi 3, r38
shlli r30, 16, r31 shlli r38, 16, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r6 stx.q r17, r63, r6
add.l r17, r63, r6 add.l r17, r63, r6
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r7_ld): /* Store r7 and load its address. */ LOCAL(ia_r7_ld): /* Store r7 and load its address. */
movi 3 << 12, r31 movi 3 << 12, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r7 stx.q r17, r63, r7
add.l r17, r63, r7 add.l r17, r63, r7
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r8_ld): /* Store r8 and load its address. */ LOCAL(ia_r8_ld): /* Store r8 and load its address. */
movi 3 << 8, r31 movi 3 << 8, r39
and r0, r31, r32 and r0, r39, r40
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r8 stx.q r17, r63, r8
add.l r17, r63, r8 add.l r17, r63, r8
addi.l r17, 8, r17 addi.l r17, 8, r17
beq/u r31, r32, tr1 beq/u r39, r40, tr1
LOCAL(ia_r9_ld): /* Store r9 and load its address. */ LOCAL(ia_r9_ld): /* Store r9 and load its address. */
stx.q r17, r63, r9 stx.q r17, r63, r9
add.l r17, r63, r9 add.l r17, r63, r9
blink tr0, r63 blink tr0, r63
LOCAL(ia_r2_push): /* Push r2 onto the stack. */ LOCAL(ia_r2_push): /* Push r2 onto the stack. */
movi 1, r30 movi 1, r38
shlli r30, 29, r31 shlli r38, 29, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r2 stx.q r17, r63, r2
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_r3_push): /* Push r3 onto the stack. */ LOCAL(ia_r3_push): /* Push r3 onto the stack. */
movi 1, r30 movi 1, r38
shlli r30, 26, r31 shlli r38, 26, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r3 stx.q r17, r63, r3
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_r4_push): /* Push r4 onto the stack. */ LOCAL(ia_r4_push): /* Push r4 onto the stack. */
movi 1, r30 movi 1, r38
shlli r30, 23, r31 shlli r38, 23, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r4 stx.q r17, r63, r4
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_r5_push): /* Push r5 onto the stack. */ LOCAL(ia_r5_push): /* Push r5 onto the stack. */
movi 1, r30 movi 1, r38
shlli r30, 20, r31 shlli r38, 20, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r5 stx.q r17, r63, r5
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_r6_push): /* Push r6 onto the stack. */ LOCAL(ia_r6_push): /* Push r6 onto the stack. */
movi 1, r30 movi 1, r38
shlli r30, 16, r31 shlli r38, 16, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r6 stx.q r17, r63, r6
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_r7_push): /* Push r7 onto the stack. */ LOCAL(ia_r7_push): /* Push r7 onto the stack. */
movi 1 << 12, r31 movi 1 << 12, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r7 stx.q r17, r63, r7
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_r8_push): /* Push r8 onto the stack. */ LOCAL(ia_r8_push): /* Push r8 onto the stack. */
movi 1 << 8, r31 movi 1 << 8, r39
andc r0, r31, r0 andc r0, r39, r0
stx.q r17, r63, r8 stx.q r17, r63, r8
addi.l r17, 8, r17 addi.l r17, 8, r17
blink tr1, r63 blink tr1, r63
LOCAL(ia_push_seq): /* Push a sequence of registers onto the stack. */ LOCAL(ia_push_seq): /* Push a sequence of registers onto the stack. */
andi r0, 7 << 1, r30 andi r0, 7 << 1, r38
movi (LOCAL(ia_end_of_push_seq) >> 16) & 65535, r32 movi (LOCAL(ia_end_of_push_seq) >> 16) & 65535, r40
shlli r30, 2, r31 shlli r38, 2, r39
shori LOCAL(ia_end_of_push_seq) & 65535, r32 shori LOCAL(ia_end_of_push_seq) & 65535, r40
sub.l r32, r31, r33 sub.l r40, r39, r41
ptabs/l r33, tr2 ptabs/l r41, tr2
blink tr2, r63 blink tr2, r63
LOCAL(ia_stack_of_push_seq): /* Beginning of push sequence. */ LOCAL(ia_stack_of_push_seq): /* Beginning of push sequence. */
stx.q r17, r63, r3 stx.q r17, r63, r3
......
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