From 3f16b927b6791867124ec969049fde4d61df0157 Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Wed, 9 Apr 2014 23:55:56 -0400 Subject: PEP 465: a dedicated infix operator for matrix multiplication (closes #21176) --- Python/compile.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Python/compile.c') diff --git a/Python/compile.c b/Python/compile.c index 9978eb3a1d..9d3646eb91 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -881,6 +881,7 @@ PyCompile_OpcodeStackEffect(int opcode, int oparg) case BINARY_POWER: case BINARY_MULTIPLY: + case BINARY_MATRIX_MULTIPLY: case BINARY_MODULO: case BINARY_ADD: case BINARY_SUBTRACT: @@ -895,6 +896,7 @@ PyCompile_OpcodeStackEffect(int opcode, int oparg) case INPLACE_ADD: case INPLACE_SUBTRACT: case INPLACE_MULTIPLY: + case INPLACE_MATRIX_MULTIPLY: case INPLACE_MODULO: return -1; case STORE_SUBSCR: @@ -2625,6 +2627,8 @@ binop(struct compiler *c, operator_ty op) return BINARY_SUBTRACT; case Mult: return BINARY_MULTIPLY; + case MatMult: + return BINARY_MATRIX_MULTIPLY; case Div: return BINARY_TRUE_DIVIDE; case Mod: @@ -2689,6 +2693,8 @@ inplace_binop(struct compiler *c, operator_ty op) return INPLACE_SUBTRACT; case Mult: return INPLACE_MULTIPLY; + case MatMult: + return INPLACE_MATRIX_MULTIPLY; case Div: return INPLACE_TRUE_DIVIDE; case Mod: -- cgit v1.2.1 From 770db9926387f77e8ff8f86586077093df430a81 Mon Sep 17 00:00:00 2001 From: Antoine Pitrou Date: Thu, 18 Sep 2014 03:06:50 +0200 Subject: Closes #11471: avoid generating a JUMP_FORWARD instruction at the end of an if-block if there is no else-clause. Original patch by Eugene Toder. --- Python/compile.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Python/compile.c') diff --git a/Python/compile.c b/Python/compile.c index 9cc13995ef..e46ec6ceda 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -1940,7 +1940,7 @@ compiler_if(struct compiler *c, stmt_ty s) } else if (constant == 1) { VISIT_SEQ(c, stmt, s->v.If.body); } else { - if (s->v.If.orelse) { + if (asdl_seq_LEN(s->v.If.orelse)) { next = compiler_new_block(c); if (next == NULL) return 0; @@ -1950,8 +1950,8 @@ compiler_if(struct compiler *c, stmt_ty s) VISIT(c, expr, s->v.If.test); ADDOP_JABS(c, POP_JUMP_IF_FALSE, next); VISIT_SEQ(c, stmt, s->v.If.body); - ADDOP_JREL(c, JUMP_FORWARD, end); - if (s->v.If.orelse) { + if (asdl_seq_LEN(s->v.If.orelse)) { + ADDOP_JREL(c, JUMP_FORWARD, end); compiler_use_next_block(c, next); VISIT_SEQ(c, stmt, s->v.If.orelse); } -- cgit v1.2.1