Allow jit_jmpi on an immediate constant address. - lightning.git - Portable just-in-time compiler library

Portable just-in-time compiler library

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author	pcpa <paulo.cesar.pereira.de.andrade@gmail.com>	2014年10月14日 17:04:13 -0300
committer	pcpa <paulo.cesar.pereira.de.andrade@gmail.com>	2014年10月14日 17:04:13 -0300
commit	20a2f1f9c539c6b7509f9a32ef926b9b9dd98cc9 (patch)
tree	fa08b894c7fea14e089d6e11c36dd5fa721983bc /lib/jit_mips.c
parent	1d75fe625af6020f88b7977810ed7a66c47d7bf3 (diff)
download	lightning-20a2f1f9c539c6b7509f9a32ef926b9b9dd98cc9.tar.gz

Allow jit_jmpi on an immediate constant address.

* lib/jit_aarch64.c, lib/jit_alpha.c, lib/jit_arm.c, lib/jit_hppa.c, lib/jit_ia64.c, lib/jit_mips.c, lib/jit_ppc.c, lib/jit_s390x.c, lib/jit_sparc.c, lib/jit_x86.c, lib/lightning.c: Allow jit_jmpi on a target that is not a node. This may lead to hard to debug code generation, but is a required feature for certain generators, like the ones that used lightning 1.2x. Note that previously, but not really well documented, it was instructed to use: jit_movi(rn, addr); jit_jmpr(rn); but now, plain: jit_patch_abs(jit_jmpi(), addr); should also work.

Diffstat (limited to 'lib/jit_mips.c')

-rw-r--r--

lib/jit_mips.c

1 files changed, 12 insertions, 8 deletions

diff --git a/lib/jit_mips.c b/lib/jit_mips.c
index 88f128c..3eec489 100644
--- a/lib/jit_mips.c
+++ b/lib/jit_mips.c

@@ -1343,15 +1343,19 @@ _emit_code(jit_state_t *_jit)

jmpr(rn(node->u.w));

break;

case jit_code_jmpi:

- temp = node->u.n;

- assert(temp->code == jit_code_label ||

- temp->code == jit_code_epilog);

- if (temp->flag & jit_flag_patch)

- jmpi(temp->u.w);

- else {

- word = jmpi(_jit->pc.w);

- patch(word, node);

+ if (node->flag & jit_flag_node) {

+ temp = node->u.n;

+ assert(temp->code == jit_code_label ||

+ temp->code == jit_code_epilog);

+ if (temp->flag & jit_flag_patch)

+ jmpi(temp->u.w);

+ else {

+ word = jmpi(_jit->pc.w);

+ patch(word, node);

+ }

}

+ else

+ jmpi(node->u.w);

break;

case jit_code_callr:

callr(rn(node->u.w));

generated by cgit v1.2.3 (git 2.39.1) at 2025年09月21日 14:25:18 +0000